{"id":39792,"date":"2026-03-25T22:58:20","date_gmt":"2026-03-25T20:58:20","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=39792"},"modified":"2026-03-25T22:58:20","modified_gmt":"2026-03-25T20:58:20","slug":"p0078-code-exhaust-valve-control-solenoid-circuit","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/","title":{"rendered":"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit"},"content":{"rendered":"<p data-start=\"176\" data-end=\"304\">The <strong data-start=\"180\" data-end=\"219\">P0078 diagnostic trouble code (<a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0205-code-injector-circuit-malfunction-cylinder-5\/\">DTC<\/a>)<\/strong> indicates a malfunction in the <strong data-start=\"251\" data-end=\"303\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> valve control solenoid circuit on bank 1<\/strong>.<\/p>\n<p data-start=\"306\" data-end=\"454\">This solenoid is part of the <strong data-start=\"335\" data-end=\"366\">Variable Valve <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-timing-belt-or-chain-interval-the-real-maintenance-guide\/\">Timing<\/a> (VVT)<\/strong> system, which allows the engine to adjust valve <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-timing-belt-or-chain-interval-the-real-maintenance-guide\/\">timing<\/a> depending on driving conditions.<\/p>\n<p data-start=\"456\" data-end=\"623\">The <strong data-start=\"460\" data-end=\"494\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> valve control solenoid<\/strong> regulates oil flow to the camshaft actuator that controls the <strong data-start=\"557\" data-end=\"584\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> camshaft <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-timing-belt-or-chain-interval-the-real-maintenance-guide\/\">timing<\/a><\/strong>. Adjusting valve <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-timing-belt-or-chain-interval-the-real-maintenance-guide\/\">timing<\/a> helps improve:<\/p>\n<ul data-start=\"625\" data-end=\"702\">\n<li data-section-id=\"1r38uvl\" data-start=\"625\" data-end=\"646\">\n<p data-start=\"627\" data-end=\"646\">engine efficiency<\/p>\n<\/li>\n<li data-section-id=\"1y21t1q\" data-start=\"647\" data-end=\"663\">\n<p data-start=\"649\" data-end=\"663\">fuel economy<\/p>\n<\/li>\n<li data-section-id=\"mqao7c\" data-start=\"664\" data-end=\"680\">\n<p data-start=\"666\" data-end=\"680\">power output<\/p>\n<\/li>\n<li data-section-id=\"1u5092t\" data-start=\"681\" data-end=\"702\">\n<p data-start=\"683\" data-end=\"702\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">emissions<\/a> control<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"704\" data-end=\"851\">If the <strong data-start=\"711\" data-end=\"740\">engine control unit (ECU)<\/strong> detects an electrical fault in the circuit controlling this solenoid, it will trigger the <strong data-start=\"831\" data-end=\"850\">P0078 <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0229-code-throttle-pedal-position-sensor-c-intermittent\/\">OBD2<\/a> code<\/strong>.<\/p>\n<hr data-start=\"853\" data-end=\"856\" \/>\n<h2 data-section-id=\"1e1vovg\" data-start=\"858\" data-end=\"883\">Symptoms of Code P0078<\/h2>\n<p data-start=\"885\" data-end=\"936\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-freezes-randomly-causes-and-fix\/\">Drivers<\/a> may experience several symptoms, including:<\/p>\n<ul data-start=\"938\" data-end=\"1136\">\n<li data-section-id=\"1avnta4\" data-start=\"938\" data-end=\"972\">\n<p data-start=\"940\" data-end=\"972\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-faulty-maf-sensor-symptoms-causes-fixes\/\">Check Engine<\/a> light illuminated<\/p>\n<\/li>\n<li data-section-id=\"6mcjru\" data-start=\"973\" data-end=\"1003\">\n<p data-start=\"975\" data-end=\"1003\">Reduced engine performance<\/p>\n<\/li>\n<li data-section-id=\"l5gvkb\" data-start=\"1004\" data-end=\"1018\">\n<p data-start=\"1006\" data-end=\"1018\">Rough idle<\/p>\n<\/li>\n<li data-section-id=\"15j792x\" data-start=\"1019\" data-end=\"1060\">\n<p data-start=\"1021\" data-end=\"1060\">Engine <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0209-code-injector-circuit-cylinder-9-fault\/\">hesitation during acceleration<\/a><\/p>\n<\/li>\n<li data-section-id=\"yvjb5j\" data-start=\"1061\" data-end=\"1091\">\n<p data-start=\"1063\" data-end=\"1091\">Increased fuel consumption<\/p>\n<\/li>\n<li data-section-id=\"e9ijov\" data-start=\"1092\" data-end=\"1136\">\n<p data-start=\"1094\" data-end=\"1136\">Possible engine stalling in severe cases<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1138\" data-end=\"1206\">Some vehicles may also enter <strong data-start=\"1167\" data-end=\"1180\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-goes-into-limp-mode-what-it-really-means\/\">limp mode<\/a><\/strong> to prevent engine damage.<\/p>\n<hr data-start=\"1208\" data-end=\"1211\" \/>\n<h2 data-section-id=\"1qen2h8\" data-start=\"1213\" data-end=\"1238\">Common Causes of P0078<\/h2>\n<p data-start=\"1240\" data-end=\"1263\">Typical causes include:<\/p>\n<ul data-start=\"1265\" data-end=\"1466\">\n<li data-section-id=\"efjtbf\" data-start=\"1265\" data-end=\"1308\">\n<p data-start=\"1267\" data-end=\"1308\">Faulty <strong data-start=\"1274\" data-end=\"1308\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> valve control solenoid<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1duzjnj\" data-start=\"1309\" data-end=\"1349\">\n<p data-start=\"1311\" data-end=\"1349\">Damaged wiring in the solenoid circuit<\/p>\n<\/li>\n<li data-section-id=\"1qj61x5\" data-start=\"1350\" data-end=\"1380\">\n<p data-start=\"1352\" data-end=\"1380\">Corroded or loose connectors<\/p>\n<\/li>\n<li data-section-id=\"70nsr2\" data-start=\"1381\" data-end=\"1403\">\n<p data-start=\"1383\" data-end=\"1403\">Low <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/winter-engine-oil-0w20-vs-5w30-guide\/\">engine oil<\/a> level<\/p>\n<\/li>\n<li data-section-id=\"3r42ui\" data-start=\"1404\" data-end=\"1438\">\n<p data-start=\"1406\" data-end=\"1438\">Dirty or contaminated <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/winter-engine-oil-0w20-vs-5w30-guide\/\">engine oil<\/a><\/p>\n<\/li>\n<li data-section-id=\"11xvrqd\" data-start=\"1439\" data-end=\"1466\">\n<p data-start=\"1441\" data-end=\"1466\">Faulty ECU <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/hdd-clicking-noise-causes-and-data-recovery-guide\/\">driver<\/a> circuit<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1468\" data-end=\"1578\">Because the VVT system depends on <strong data-start=\"1502\" data-end=\"1525\">proper oil pressure<\/strong>, oil quality and maintenance play an important role.<\/p>\n<hr data-start=\"1580\" data-end=\"1583\" \/>\n<h2 data-section-id=\"1a4mx6h\" data-start=\"1585\" data-end=\"1613\">How Serious Is Code P0078<\/h2>\n<p data-start=\"1615\" data-end=\"1678\">The <strong data-start=\"1619\" data-end=\"1633\">P0078 code<\/strong> is considered a <strong data-start=\"1650\" data-end=\"1677\">moderate severity issue<\/strong>.<\/p>\n<p data-start=\"1680\" data-end=\"1755\">Although the vehicle may still be drivable, ignoring the issue may lead to:<\/p>\n<ul data-start=\"1757\" data-end=\"1879\">\n<li data-section-id=\"d9h3ju\" data-start=\"1757\" data-end=\"1787\">\n<p data-start=\"1759\" data-end=\"1787\">reduced engine performance<\/p>\n<\/li>\n<li data-section-id=\"mqwbbr\" data-start=\"1788\" data-end=\"1818\">\n<p data-start=\"1790\" data-end=\"1818\">increased fuel consumption<\/p>\n<\/li>\n<li data-section-id=\"1lby009\" data-start=\"1819\" data-end=\"1845\">\n<p data-start=\"1821\" data-end=\"1845\">incorrect valve <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-timing-belt-or-chain-interval-the-real-maintenance-guide\/\">timing<\/a><\/p>\n<\/li>\n<li data-section-id=\"pz17aj\" data-start=\"1846\" data-end=\"1879\">\n<p data-start=\"1848\" data-end=\"1879\">additional engine fault <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/obd2-winter-codes-what-they-mean-and-why-they-appear\/\">codes<\/a><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1881\" data-end=\"1950\">Repairing the issue promptly helps maintain optimal engine operation.<\/p>\n<hr data-start=\"1952\" data-end=\"1955\" \/>\n<h2 data-section-id=\"16vvc74\" data-start=\"1957\" data-end=\"1986\">How to Diagnose Code P0078<\/h2>\n<p data-start=\"1988\" data-end=\"2037\">Diagnosis typically involves the following steps:<\/p>\n<ol data-start=\"2039\" data-end=\"2310\">\n<li data-section-id=\"1d9le3b\" data-start=\"2039\" data-end=\"2095\">\n<p data-start=\"2042\" data-end=\"2095\">Scan the vehicle using an <strong data-start=\"2068\" data-end=\"2095\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0229-code-throttle-pedal-position-sensor-c-intermittent\/\">OBD2<\/a> diagnostic scanner<\/strong><\/p>\n<\/li>\n<li data-section-id=\"act83w\" data-start=\"2096\" data-end=\"2143\">\n<p data-start=\"2099\" data-end=\"2143\">Check live data related to <strong data-start=\"2126\" data-end=\"2143\">VVT operation<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1tfztlz\" data-start=\"2144\" data-end=\"2189\">\n<p data-start=\"2147\" data-end=\"2189\">Inspect the <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> valve control solenoid<\/p>\n<\/li>\n<li data-section-id=\"10t7lkw\" data-start=\"2190\" data-end=\"2231\">\n<p data-start=\"2193\" data-end=\"2231\">Check electrical wiring and connectors<\/p>\n<\/li>\n<li data-section-id=\"1h3roql\" data-start=\"2232\" data-end=\"2280\">\n<p data-start=\"2235\" data-end=\"2280\">Measure solenoid resistance with a multimeter<\/p>\n<\/li>\n<li data-section-id=\"2uyqfn\" data-start=\"2281\" data-end=\"2310\">\n<p data-start=\"2284\" data-end=\"2310\">Verify ECU control signals<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"2312\" data-end=\"2426\">Technicians may also inspect the <strong data-start=\"2345\" data-end=\"2379\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/winter-engine-oil-0w20-vs-5w30-guide\/\">engine oil<\/a> level and condition<\/strong>, since VVT systems rely on proper lubrication.<\/p>\n<hr data-start=\"2428\" data-end=\"2431\" \/>\n<h2 data-section-id=\"fx0mcr\" data-start=\"2433\" data-end=\"2457\">How to Fix Code P0078<\/h2>\n<p data-start=\"2459\" data-end=\"2493\">Possible repair solutions include:<\/p>\n<ul data-start=\"2495\" data-end=\"2691\">\n<li data-section-id=\"1wp8t60\" data-start=\"2495\" data-end=\"2545\">\n<p data-start=\"2497\" data-end=\"2545\">replacing the <strong data-start=\"2511\" data-end=\"2545\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> valve control solenoid<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1t65ol2\" data-start=\"2546\" data-end=\"2572\">\n<p data-start=\"2548\" data-end=\"2572\">repairing damaged wiring<\/p>\n<\/li>\n<li data-section-id=\"1kn5lon\" data-start=\"2573\" data-end=\"2618\">\n<p data-start=\"2575\" data-end=\"2618\">cleaning or replacing electrical connectors<\/p>\n<\/li>\n<li data-section-id=\"9bjnc4\" data-start=\"2619\" data-end=\"2651\">\n<p data-start=\"2621\" data-end=\"2651\">changing <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/winter-engine-oil-0w20-vs-5w30-guide\/\">engine oil<\/a> and filter<\/p>\n<\/li>\n<li data-section-id=\"1flwen9\" data-start=\"2652\" data-end=\"2691\">\n<p data-start=\"2654\" data-end=\"2691\">clearing the fault code after repairs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2693\" data-end=\"2752\">In many cases, replacing the solenoid resolves the problem.<\/p>\n<hr data-start=\"2754\" data-end=\"2757\" \/>\n<h2 data-section-id=\"1h0fqcg\" data-start=\"2759\" data-end=\"2797\">Vehicles Commonly Affected by P0078<\/h2>\n<p data-start=\"2799\" data-end=\"2913\">The <strong data-start=\"2803\" data-end=\"2825\">P0078 trouble code<\/strong> may appear on many vehicles equipped with <strong data-start=\"2868\" data-end=\"2901\">variable valve <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-timing-belt-or-chain-interval-the-real-maintenance-guide\/\">timing<\/a> systems<\/strong>, including:<\/p>\n<ul data-start=\"2915\" data-end=\"2990\">\n<li data-section-id=\"kxa3e8\" data-start=\"2915\" data-end=\"2925\">\n<p data-start=\"2917\" data-end=\"2925\">Toyota<\/p>\n<\/li>\n<li data-section-id=\"ibrl1c\" data-start=\"2926\" data-end=\"2936\">\n<p data-start=\"2928\" data-end=\"2936\">Nissan<\/p>\n<\/li>\n<li data-section-id=\"p2beys\" data-start=\"2937\" data-end=\"2946\">\n<p data-start=\"2939\" data-end=\"2946\">Honda<\/p>\n<\/li>\n<li data-section-id=\"1xwxs7r\" data-start=\"2947\" data-end=\"2955\">\n<p data-start=\"2949\" data-end=\"2955\">Ford<\/p>\n<\/li>\n<li data-section-id=\"19mc7gf\" data-start=\"2956\" data-end=\"2970\">\n<p data-start=\"2958\" data-end=\"2970\">Volkswagen<\/p>\n<\/li>\n<li data-section-id=\"16yn0uo\" data-start=\"2971\" data-end=\"2978\">\n<p data-start=\"2973\" data-end=\"2978\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/bmw-art-car-world-tour-expands-to-romania\/\">BMW<\/a><\/p>\n<\/li>\n<li data-section-id=\"154nwq6\" data-start=\"2979\" data-end=\"2990\">\n<p data-start=\"2981\" data-end=\"2990\">Hyundai<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2992\" data-end=\"3069\">Any modern engine using <strong data-start=\"3016\" data-end=\"3034\">VVT technology<\/strong> can potentially trigger this code.<\/p>\n<hr data-start=\"3071\" data-end=\"3074\" \/>\n<h2 data-section-id=\"o0t4pe\" data-start=\"3076\" data-end=\"3095\">FAQ \u2013 P0078 Code<\/h2>\n<h3 data-section-id=\"bl2721\" data-start=\"3097\" data-end=\"3133\">Can I drive with the P0078 code?<\/h3>\n<p data-start=\"3135\" data-end=\"3212\">Yes, but engine performance may be reduced and fuel consumption may increase.<\/p>\n<h3 data-section-id=\"1xzq7v4\" data-start=\"3214\" data-end=\"3257\">Can dirty engine oil trigger this code?<\/h3>\n<p data-start=\"3259\" data-end=\"3331\">Yes. Dirty oil can affect VVT solenoid operation and trigger this fault.<\/p>\n<h3 data-section-id=\"wao3c5\" data-start=\"3333\" data-end=\"3385\">Is the exhaust valve control solenoid expensive?<\/h3>\n<p data-start=\"3387\" data-end=\"3461\">In most vehicles it is relatively affordable and not difficult to replace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0078 diagnostic trouble code (DTC) indicates a malfunction in the exhaust valve control solenoid circuit on bank 1. This solenoid is part of the Variable Valve Timing (VVT) system, which allows the engine to adjust valve timing depending on driving conditions. The exhaust valve control solenoid regulates oil flow to the camshaft actuator that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[45415],"tags":[36299,36841,41073,36339,45999,46039,46001,45463,46051,46005,42874],"class_list":["post-39792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-obd2-en","tag-bam","tag-car-diagnostics","tag-check-engine","tag-diagnoza","tag-engine-codes","tag-engine-fault-code","tag-obd2","tag-obd2-code","tag-p0078","tag-powertrain","tag-vehicle-diagnostics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit - Diagnoza BAM<\/title>\n<meta name=\"description\" content=\"What does P0078 mean? Discover causes, symptoms, diagnosis steps and repair solutions for this OBD2 code.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit\" \/>\n<meta property=\"og:description\" content=\"What does P0078 mean? Discover causes, symptoms, diagnosis steps and repair solutions for this OBD2 code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/\" \/>\n<meta property=\"og:site_name\" content=\"Diagnoza BAM\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/diagnozabam\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-25T20:58:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Bejenaru Alexandru Ionut\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scris de\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bejenaru Alexandru Ionut\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/\"},\"author\":{\"name\":\"Bejenaru Alexandru Ionut\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#\\\/schema\\\/person\\\/77202adf825f4528d9ba9ab5b4ffafec\"},\"headline\":\"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit\",\"datePublished\":\"2026-03-25T20:58:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/\"},\"wordCount\":452,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp\",\"keywords\":[\"bam\",\"car diagnostics\",\"check engine\",\"diagnoza\",\"engine codes\",\"engine fault code\",\"obd2\",\"obd2 code\",\"p0078\",\"powertrain\",\"vehicle diagnostics\"],\"articleSection\":[\"OBD2-EN\"],\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#respond\"]}],\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/\",\"url\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/\",\"name\":\"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit - Diagnoza BAM\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp\",\"datePublished\":\"2026-03-25T20:58:20+00:00\",\"description\":\"What does P0078 mean? Discover causes, symptoms, diagnosis steps and repair solutions for this OBD2 code.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#breadcrumb\"},\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#primaryimage\",\"url\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp\",\"contentUrl\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp\",\"width\":512,\"height\":512,\"caption\":\"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/p0078-code-exhaust-valve-control-solenoid-circuit\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#website\",\"url\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/\",\"name\":\"Diagnoza BAM\",\"description\":\"Independent Auto Diagnostics, Tech Analysis and Smart Insights\",\"publisher\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#organization\"},\"alternateName\":\"DBAM\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ro-RO\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#organization\",\"name\":\"Diagnoza BAM\",\"alternateName\":\"DBAM\",\"url\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/logo-diagnoza-bam-imagine.webp\",\"contentUrl\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/logo-diagnoza-bam-imagine.webp\",\"width\":512,\"height\":512,\"caption\":\"Diagnoza BAM\"},\"image\":{\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/diagnozabam\",\"https:\\\/\\\/mastodon.social\\\/@diagnozabam\",\"https:\\\/\\\/bsky.app\\\/profile\\\/did:plc:f4cmgfa3nv33bch7p3wgwchr\",\"https:\\\/\\\/www.tumblr.com\\\/diagbam\"],\"description\":\"Independent publishing platform focused on automotive diagnostics, OBD2 analysis, repair cost breakdowns, technology insights and practical technical guides.\",\"email\":\"redactie@diagnozabam.ro\",\"foundingDate\":\"2023-02-16\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/#\\\/schema\\\/person\\\/77202adf825f4528d9ba9ab5b4ffafec\",\"name\":\"Bejenaru Alexandru Ionut\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/96634b44a266a571c59a5e82fc6f12edfb6876914735dbc57aa2348d11395470?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/96634b44a266a571c59a5e82fc6f12edfb6876914735dbc57aa2348d11395470?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/96634b44a266a571c59a5e82fc6f12edfb6876914735dbc57aa2348d11395470?s=96&d=mm&r=g\",\"caption\":\"Bejenaru Alexandru Ionut\"},\"sameAs\":[\"https:\\\/\\\/diagnozabam.ro\"],\"honorificPrefix\":\"Mr.\",\"birthDate\":\"1997-12-23\",\"url\":\"https:\\\/\\\/diagnozabam.ro\\\/sfaturi\\\/blog\\\/author\\\/bejenaru-alexandru-ionut\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit - Diagnoza BAM","description":"What does P0078 mean? Discover causes, symptoms, diagnosis steps and repair solutions for this OBD2 code.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/","og_locale":"ro_RO","og_type":"article","og_title":"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit","og_description":"What does P0078 mean? Discover causes, symptoms, diagnosis steps and repair solutions for this OBD2 code.","og_url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/","og_site_name":"Diagnoza BAM","article_publisher":"https:\/\/www.facebook.com\/diagnozabam","article_published_time":"2026-03-25T20:58:20+00:00","og_image":[{"width":512,"height":512,"url":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp","type":"image\/webp"}],"author":"Bejenaru Alexandru Ionut","twitter_card":"summary_large_image","twitter_misc":{"Scris de":"Bejenaru Alexandru Ionut","Timp estimat pentru citire":"3 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#article","isPartOf":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/"},"author":{"name":"Bejenaru Alexandru Ionut","@id":"https:\/\/diagnozabam.ro\/sfaturi\/#\/schema\/person\/77202adf825f4528d9ba9ab5b4ffafec"},"headline":"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit","datePublished":"2026-03-25T20:58:20+00:00","mainEntityOfPage":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/"},"wordCount":452,"commentCount":0,"publisher":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/#organization"},"image":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#primaryimage"},"thumbnailUrl":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp","keywords":["bam","car diagnostics","check engine","diagnoza","engine codes","engine fault code","obd2","obd2 code","p0078","powertrain","vehicle diagnostics"],"articleSection":["OBD2-EN"],"inLanguage":"ro-RO","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#respond"]}],"copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/#organization"}},{"@type":"WebPage","@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/","url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/","name":"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit - Diagnoza BAM","isPartOf":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/#website"},"primaryImageOfPage":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#primaryimage"},"image":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#primaryimage"},"thumbnailUrl":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp","datePublished":"2026-03-25T20:58:20+00:00","description":"What does P0078 mean? Discover causes, symptoms, diagnosis steps and repair solutions for this OBD2 code.","breadcrumb":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#breadcrumb"},"inLanguage":"ro-RO","potentialAction":[{"@type":"ReadAction","target":["https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/"]}]},{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#primaryimage","url":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp","contentUrl":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp","width":512,"height":512,"caption":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original"},{"@type":"BreadcrumbList","@id":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0078-code-exhaust-valve-control-solenoid-circuit\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/diagnozabam.ro\/sfaturi\/"},{"@type":"ListItem","position":2,"name":"P0078 Code \u2013 Exhaust Valve Control Solenoid Circuit"}]},{"@type":"WebSite","@id":"https:\/\/diagnozabam.ro\/sfaturi\/#website","url":"https:\/\/diagnozabam.ro\/sfaturi\/","name":"Diagnoza BAM","description":"Independent Auto Diagnostics, Tech Analysis and Smart Insights","publisher":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/#organization"},"alternateName":"DBAM","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/diagnozabam.ro\/sfaturi\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ro-RO"},{"@type":"Organization","@id":"https:\/\/diagnozabam.ro\/sfaturi\/#organization","name":"Diagnoza BAM","alternateName":"DBAM","url":"https:\/\/diagnozabam.ro\/sfaturi\/","logo":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/diagnozabam.ro\/sfaturi\/#\/schema\/logo\/image\/","url":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/logo-diagnoza-bam-imagine.webp","contentUrl":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/logo-diagnoza-bam-imagine.webp","width":512,"height":512,"caption":"Diagnoza BAM"},"image":{"@id":"https:\/\/diagnozabam.ro\/sfaturi\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/diagnozabam","https:\/\/mastodon.social\/@diagnozabam","https:\/\/bsky.app\/profile\/did:plc:f4cmgfa3nv33bch7p3wgwchr","https:\/\/www.tumblr.com\/diagbam"],"description":"Independent publishing platform focused on automotive diagnostics, OBD2 analysis, repair cost breakdowns, technology insights and practical technical guides.","email":"redactie@diagnozabam.ro","foundingDate":"2023-02-16"},{"@type":"Person","@id":"https:\/\/diagnozabam.ro\/sfaturi\/#\/schema\/person\/77202adf825f4528d9ba9ab5b4ffafec","name":"Bejenaru Alexandru Ionut","image":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/secure.gravatar.com\/avatar\/96634b44a266a571c59a5e82fc6f12edfb6876914735dbc57aa2348d11395470?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/96634b44a266a571c59a5e82fc6f12edfb6876914735dbc57aa2348d11395470?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/96634b44a266a571c59a5e82fc6f12edfb6876914735dbc57aa2348d11395470?s=96&d=mm&r=g","caption":"Bejenaru Alexandru Ionut"},"sameAs":["https:\/\/diagnozabam.ro"],"honorificPrefix":"Mr.","birthDate":"1997-12-23","url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/author\/bejenaru-alexandru-ionut\/"}]}},"lang":"en","translations":{"en":39792},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp","jetpack-related-posts":[{"id":39793,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0079-code-exhaust-valve-control-solenoid-circuit-low\/","url_meta":{"origin":39792,"position":0},"title":"P0079 Code \u2013 Exhaust Valve Control Solenoid Circuit Low","author":"Bejenaru Alexandru Ionut","date":"26 martie 2026","format":false,"excerpt":"What Does the P0079 Code Mean The P0079 diagnostic trouble code (DTC) indicates that the engine control unit (ECU) has detected a low voltage condition in the exhaust valve control solenoid circuit on bank 1. The exhaust valve control solenoid is part of the Variable Valve Timing (VVT) system. This\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":39804,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0084-code-exhaust-valve-control-solenoid-circuit\/","url_meta":{"origin":39792,"position":1},"title":"P0084 Code \u2013 Exhaust Valve Control Solenoid Circuit","author":"Bejenaru Alexandru Ionut","date":"26 martie 2026","format":false,"excerpt":"The P0084 diagnostic trouble code (DTC) indicates a malfunction in the exhaust valve control solenoid circuit on bank 2. The exhaust valve control solenoid is part of the Variable Valve Timing (VVT) system. This system adjusts the timing of the exhaust valves to improve engine performance, fuel efficiency, and emissions.\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":39806,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0085-code-exhaust-valve-control-solenoid-circuit-low\/","url_meta":{"origin":39792,"position":2},"title":"P0085 Code \u2013 Exhaust Valve Control Solenoid Circuit Low","author":"Bejenaru Alexandru Ionut","date":"26 martie 2026","format":false,"excerpt":"The P0085 diagnostic trouble code (DTC) indicates that the engine control unit (ECU) has detected a low voltage condition in the exhaust valve control solenoid circuit on bank 2. The exhaust valve control solenoid is part of the Variable Valve Timing (VVT) system. This system adjusts the timing of the\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":39794,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0080-code-exhaust-valve-control-solenoid-circuit-high\/","url_meta":{"origin":39792,"position":3},"title":"P0080 Code \u2013 Exhaust Valve Control Solenoid Circuit High","author":"Bejenaru Alexandru Ionut","date":"26 martie 2026","format":false,"excerpt":"The P0080 diagnostic trouble code (DTC) indicates that the engine control unit (ECU) has detected a high voltage condition in the exhaust valve control solenoid circuit on bank 1. The exhaust valve control solenoid is a key component of the Variable Valve Timing (VVT) system. This system allows the engine\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":39604,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0014-code-exhaust-camshaft-timing-over-advanced\/","url_meta":{"origin":39792,"position":4},"title":"P0014 Code \u2013 Exhaust Camshaft Timing Over Advanced","author":"Bejenaru Alexandru Ionut","date":"23 martie 2026","format":false,"excerpt":"The P0014 code is an OBD2 diagnostic trouble code that indicates the exhaust camshaft timing is more advanced than expected on Bank 1. Modern engines use Variable Valve Timing (VVT) systems to adjust camshaft timing dynamically. This system improves engine efficiency, fuel economy and emissions. When the engine control unit\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":39802,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0083-code-intake-valve-control-solenoid-circuit-high\/","url_meta":{"origin":39792,"position":5},"title":"P0083 Code \u2013 Intake Valve Control Solenoid Circuit High","author":"Bejenaru Alexandru Ionut","date":"26 martie 2026","format":false,"excerpt":"The P0083 diagnostic trouble code (DTC) indicates that the engine control unit (ECU) has detected a high voltage condition in the intake valve control solenoid circuit on bank 2. The intake valve control solenoid is a component of the Variable Valve Timing (VVT) system. This system adjusts the timing of\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"lista completa coduri de eroare opel astra h zafira b td cdti mfrh original","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2024\/02\/lista-completa-coduri-de-eroare-opel-astra-h-zafira-b-td-cdti-mfrh-original.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pf97go-alO","jetpack_sharing_enabled":true,"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/39792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/comments?post=39792"}],"version-history":[{"count":1,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/39792\/revisions"}],"predecessor-version":[{"id":39796,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/39792\/revisions\/39796"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/media\/10039"}],"wp:attachment":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/media?parent=39792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/categories?post=39792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/tags?post=39792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}