{"id":17997,"date":"2025-04-09T15:25:48","date_gmt":"2025-04-09T12:25:48","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=17997"},"modified":"2026-04-27T12:59:13","modified_gmt":"2026-04-27T09:59:13","slug":"p0401-error-on-diesel-cars-causes-real-fixes","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0401-error-on-diesel-cars-causes-real-fixes\/","title":{"rendered":"P0401 Error on Diesel Cars \u2013 Causes &amp; Real Fixes"},"content":{"rendered":"<h2>P0401 Error on Diesel Cars \u2013 Causes &amp; Real Fixes<\/h2>\n<p data-start=\"229\" data-end=\"540\">The dreaded <strong data-start=\"241\" data-end=\"261\">P0401 error code<\/strong> often shows up in diesel vehicles and leaves <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-freezes-randomly-causes-and-fix\/\">drivers<\/a> confused and frustrated. If you\u2019ve seen this code during a scan, it points to a specific issue in the <strong data-start=\"417\" data-end=\"459\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> (<a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">Exhaust<\/a> Gas Recirculation) system<\/strong> \u2014 and ignoring it can lead to poor engine performance or failed <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">emissions<\/a> tests.<\/p>\n<p data-start=\"542\" data-end=\"615\">Let\u2019s <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-body-types-finding-the-perfect-match-for-you\/\">break<\/a> down what it really means, why it appears, and how to fix it.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"MbkM3eePmZ\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0420-code-opel-real-causes-quick-fixes\/\">P0420 Code Opel: Real Causes &#038; Quick Fixes<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;P0420 Code Opel: Real Causes &#038; Quick Fixes&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0420-code-opel-real-causes-quick-fixes\/embed\/#?secret=pjJFALhFdf#?secret=MbkM3eePmZ\" data-secret=\"MbkM3eePmZ\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr class=\"\" data-start=\"617\" data-end=\"620\" \/>\n<h3 data-start=\"622\" data-end=\"659\">\u2699\ufe0f What Does the P0401 Code Mean?<\/h3>\n<p data-start=\"661\" data-end=\"759\">The <strong data-start=\"665\" data-end=\"686\">P0401 OBD-II code<\/strong> stands for:<br data-start=\"698\" data-end=\"701\" \/><strong data-start=\"701\" data-end=\"759\">&#8222;Exhaust Gas Recirculation Flow Insufficient Detected&#8221;<\/strong><\/p>\n<p data-start=\"761\" data-end=\"943\">In simple terms, it means your car\u2019s <strong data-start=\"798\" data-end=\"877\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> system isn\u2019t letting enough <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a> gases back into the intake manifold<\/strong>, which helps control <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">emissions<\/a> and reduce combustion temperature.<\/p>\n<hr class=\"\" data-start=\"945\" data-end=\"948\" \/>\n<h3 data-start=\"950\" data-end=\"989\">\ud83e\uddfe Common Causes of the P0401 Error<\/h3>\n<p data-start=\"991\" data-end=\"1065\">The most frequent culprits behind a P0401 error in diesel engines include:<\/p>\n<ul data-start=\"1067\" data-end=\"1351\">\n<li data-start=\"1067\" data-end=\"1120\">\n<p data-start=\"1069\" data-end=\"1120\">\u274c <strong data-start=\"1071\" data-end=\"1092\">Clogged <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> valve<\/strong> (soot and carbon buildup)<\/p>\n<\/li>\n<li data-start=\"1121\" data-end=\"1162\">\n<p data-start=\"1123\" data-end=\"1162\">\u274c <strong data-start=\"1125\" data-end=\"1160\">Blocked or cracked <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> passages<\/strong><\/p>\n<\/li>\n<li data-start=\"1163\" data-end=\"1213\">\n<p data-start=\"1165\" data-end=\"1213\">\u274c <strong data-start=\"1167\" data-end=\"1211\">Faulty <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> vacuum solenoid or <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> cooler<\/strong><\/p>\n<\/li>\n<li data-start=\"1214\" data-end=\"1262\">\n<p data-start=\"1216\" data-end=\"1262\">\u274c <strong data-start=\"1218\" data-end=\"1260\">Bad <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> temperature or pressure sensor<\/strong><\/p>\n<\/li>\n<li data-start=\"1263\" data-end=\"1309\">\n<p data-start=\"1265\" data-end=\"1309\">\u274c <strong data-start=\"1267\" data-end=\"1307\">Disconnected or damaged vacuum lines<\/strong><\/p>\n<\/li>\n<li data-start=\"1310\" data-end=\"1351\">\n<p data-start=\"1312\" data-end=\"1351\">\u26a1 <strong data-start=\"1314\" data-end=\"1351\">ECU or sensor communication error<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1353\" data-end=\"1505\">These issues often show up after years of <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/low-fuel-consumption-cars-2026\/\">city driving<\/a>, where the engine doesn\u2019t reach high enough temperatures for proper self-cleaning (regeneration).<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"j3Znh5Qne6\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p2263-code-turbo-system-performance-serious-fault\/\">P2263 code turbo system performance \u2013 Serious fault?<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;P2263 code turbo system performance \u2013 Serious fault?&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p2263-code-turbo-system-performance-serious-fault\/embed\/#?secret=MWlBj1L3Cd#?secret=j3Znh5Qne6\" data-secret=\"j3Znh5Qne6\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr class=\"\" data-start=\"1507\" data-end=\"1510\" \/>\n<h3 data-start=\"1512\" data-end=\"1544\">\ud83d\udd0e Symptoms You Might Notice<\/h3>\n<p data-start=\"1546\" data-end=\"1623\">Before or alongside the <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-faulty-maf-sensor-symptoms-causes-fixes\/\">check engine<\/a> light and error code, you might observe:<\/p>\n<ul data-start=\"1625\" data-end=\"1800\">\n<li data-start=\"1625\" data-end=\"1668\">\n<p data-start=\"1627\" data-end=\"1668\">\ud83d\ude97 Rough idle or poor <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0229-code-throttle-pedal-position-sensor-c-intermittent\/\">throttle<\/a> response<\/p>\n<\/li>\n<li data-start=\"1669\" data-end=\"1702\">\n<p data-start=\"1671\" data-end=\"1702\">\ud83d\udd25 Increased fuel consumption<\/p>\n<\/li>\n<li data-start=\"1703\" data-end=\"1734\">\n<p data-start=\"1705\" data-end=\"1734\">\ud83d\udca8 <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">Black smoke<\/a> from <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/exhaust-smoke-colors\/\">exhaust<\/a><\/p>\n<\/li>\n<li data-start=\"1735\" data-end=\"1766\">\n<p data-start=\"1737\" data-end=\"1766\">\ud83d\uded1 Vehicle enters <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-goes-into-limp-mode-what-it-really-means\/\">limp mode<\/a><\/p>\n<\/li>\n<li data-start=\"1767\" data-end=\"1800\">\n<p data-start=\"1769\" data-end=\"1800\">\ud83d\udca1 <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-faulty-maf-sensor-symptoms-causes-fixes\/\">Check Engine<\/a> Light always on<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"1802\" data-end=\"1805\" \/>\n<h3 data-start=\"1807\" data-end=\"1847\">\ud83d\udd27 How to Fix the P0401 Diesel Error<\/h3>\n<h4 data-start=\"1849\" data-end=\"1878\">\u2705 Step 1: Scan &amp; Confirm<\/h4>\n<p data-start=\"1879\" data-end=\"1974\">Use an OBD-II scanner to verify the error. Sometimes P0401 can be a side-effect of other <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/obd2-winter-codes-what-they-mean-and-why-they-appear\/\">codes<\/a>.<\/p>\n<h4 data-start=\"1976\" data-end=\"2011\">\ud83e\uddfc Step 2: Clean the EGR Valve<\/h4>\n<p data-start=\"2012\" data-end=\"2113\">Remove and clean the <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> valve with a special carbon deposit cleaner. If heavily blocked, replace it.<\/p>\n<h4 data-start=\"2115\" data-end=\"2159\">\ud83d\udd0d Step 3: Inspect All Hoses &amp; Passages<\/h4>\n<p data-start=\"2160\" data-end=\"2270\">Check for cracks, leaks, or blockages in the vacuum lines and metal passages between the <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> valve and intake.<\/p>\n<h4 data-start=\"2272\" data-end=\"2302\">\ud83d\udd04 Step 4: Reset the Code<\/h4>\n<p data-start=\"2303\" data-end=\"2376\">After cleaning or replacing parts, clear the code and test <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%f0%9f%94%a7-car-drive-shafts-everything-you-need-to-know\/\">drive<\/a> the <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/electric-car-range-2026-real-conditions-explained\/\">car<\/a>.<\/p>\n<blockquote data-start=\"2378\" data-end=\"2485\">\n<p data-start=\"2380\" data-end=\"2485\">\ud83d\udca1 <em data-start=\"2383\" data-end=\"2393\">Pro tip:<\/em> Use premium diesel fuel and <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%f0%9f%94%a7-car-drive-shafts-everything-you-need-to-know\/\">drive<\/a> at higher RPMs occasionally to help prevent <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> clogging.<\/p>\n<\/blockquote>\n<hr class=\"\" data-start=\"2487\" data-end=\"2490\" \/>\n<h3 data-start=\"2492\" data-end=\"2532\">\ud83d\udee1\ufe0f Can You Drive with a P0401 Code?<\/h3>\n<p data-start=\"2534\" data-end=\"2708\">Technically yes \u2014 but it\u2019s not recommended. A faulty <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> system affects <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">emissions<\/a> and engine efficiency. Left unattended, it may cause <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/how-to-check-a-blown-head-gasket\/\">engine overheating<\/a> or damage over time.<\/p>\n<hr class=\"\" data-start=\"2710\" data-end=\"2713\" \/>\n<h3 data-start=\"2715\" data-end=\"2732\">\ud83e\udde0 Conclusion<\/h3>\n<p data-start=\"2734\" data-end=\"2965\">The <strong data-start=\"2738\" data-end=\"2771\">P0401 error in diesel engines<\/strong> is common, especially on high-mileage or short-trip vehicles. By understanding the symptoms and cleaning or replacing the <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">EGR<\/a> components, you can restore performance and prevent future trouble.<\/p>\n<p data-start=\"2967\" data-end=\"3036\">It\u2019s a fix worth doing right \u2014 your engine and wallet will thank you.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"hCTb8jAlpD\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p2458-dpf-regeneration-taking-too-long-critical-warning\/\">P2458 \u2013 DPF Regeneration Taking Too Long? Critical Warning!<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;P2458 \u2013 DPF Regeneration Taking Too Long? Critical Warning!&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p2458-dpf-regeneration-taking-too-long-critical-warning\/embed\/#?secret=HrOLPIK8sM#?secret=hCTb8jAlpD\" data-secret=\"hCTb8jAlpD\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>P0401 Error on Diesel Cars \u2013 Causes &amp; Real Fixes The dreaded P0401 error code often shows up in diesel vehicles and leaves drivers confused and frustrated. If you\u2019ve seen this code during a scan, it points to a specific issue in the EGR (Exhaust Gas Recirculation) system \u2014 and ignoring it can lead to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18003,"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":[36299,36841,41073,36339,45999,46039,46001,45463,44255,46005,42874],"class_list":["post-17997","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-p0401","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>P0401 Error on Diesel Cars \u2013 Causes &amp; Real Fixes - Diagnoza BAM<\/title>\n<meta name=\"description\" content=\"P0401 code indicates a fault in the monitored system. 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Let\u2019s break it down\u2026","rel":"","context":"\u00cen \u201eAuto-EN\u201d","block_context":{"text":"Auto-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/auto\/"},"img":{"alt_text":"DPF pe moarte 5 semnale clare pe care nu ai voie s\u0103 le ignori!","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":38718,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0402-egr-excessive-flow-diesel-power-loss\/","url_meta":{"origin":17997,"position":2},"title":"P0402 \u2013 EGR Excessive Flow? Diesel Power Loss!","author":"Bejenaru Alexandru Ionut","date":"21 martie 2026","format":false,"excerpt":"The P0402 fault code signals that the Exhaust Gas Recirculation (EGR) system is flowing more exhaust gas than the engine control module (ECM) expects under current operating conditions. While EGR is essential for reducing NOx emissions, excessive recirculation disrupts the delicate balance between fresh intake air and exhaust gases. When\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"https  www.berrimadiesel.com    EGR clogged","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/https-www.berrimadiesel.com-egr-clogged.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/https-www.berrimadiesel.com-egr-clogged.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/https-www.berrimadiesel.com-egr-clogged.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/https-www.berrimadiesel.com-egr-clogged.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/https-www.berrimadiesel.com-egr-clogged.webp?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":38701,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p2463-dpf-clogged-serious-diesel-risk\/","url_meta":{"origin":17997,"position":3},"title":"P2463 \u2013 DPF Clogged? Serious Diesel Risk!","author":"Bejenaru Alexandru Ionut","date":"3 martie 2026","format":false,"excerpt":"The error code P2463 is one of the most common and expensive diesel-related OBD2 faults. When P2463 appears, it usually means excessive soot accumulation inside the Diesel Particulate Filter (DPF). Many drivers ignore P2463 until the vehicle enters limp mode, loses power, or fuel consumption increases dramatically. In reality, this\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"Warning of the diesel particulate filter   DPF regeneration error light illuminated on dashboard","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/warning-of-the-diesel-particulate-filter-dpf-regeneration-error-light-illuminated-on-dashboard.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/warning-of-the-diesel-particulate-filter-dpf-regeneration-error-light-illuminated-on-dashboard.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/warning-of-the-diesel-particulate-filter-dpf-regeneration-error-light-illuminated-on-dashboard.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/warning-of-the-diesel-particulate-filter-dpf-regeneration-error-light-illuminated-on-dashboard.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/warning-of-the-diesel-particulate-filter-dpf-regeneration-error-light-illuminated-on-dashboard.webp?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/02\/warning-of-the-diesel-particulate-filter-dpf-regeneration-error-light-illuminated-on-dashboard.webp?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":41376,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/dpf-clogged-symptoms-causes-and-real-costs\/","url_meta":{"origin":17997,"position":4},"title":"DPF Clogged \u2013 Symptoms, Causes and Real Costs","author":"Bejenaru Alexandru Ionut","date":"14 aprilie 2026","format":false,"excerpt":"The Diesel Particulate Filter (DPF) is designed to reduce emissions by trapping soot particles from exhaust gases. However, over time, this filter can become clogged, especially in cars driven mostly in urban conditions. A clogged DPF not only affects performance but can also lead to expensive repairs if ignored. What\u2026","rel":"","context":"\u00cen \u201eNews\u201d","block_context":{"text":"News","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/news\/"},"img":{"alt_text":"DPF pe moarte 5 semnale clare pe care nu ai voie s\u0103 le ignori!","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/DPF-pe-moarte-5-semnale-clare-pe-care-nu-ai-voie-sa-le-ignori.webp?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":38669,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0400-code-egr-malfunction-engine-at-risk\/","url_meta":{"origin":17997,"position":5},"title":"P0400 code EGR malfunction \u2013 Engine at risk?","author":"Bejenaru Alexandru Ionut","date":"22 februarie 2026","format":false,"excerpt":"The P0400 code EGR malfunction is a common diagnostic trouble code found in modern diesel and some gasoline engines. The Exhaust Gas Recirculation (EGR) system reduces emissions by redirecting a portion of exhaust gases back into the intake. When the P0400 code EGR malfunction appears, it means the expected exhaust\u2026","rel":"","context":"\u00cen \u201eOBD2-EN\u201d","block_context":{"text":"OBD2-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/obd2-en\/"},"img":{"alt_text":"Top erori OBD2 comune \u0219i cum le repari acas\u0103!","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/Top-erori-OBD2-comune-si-cum-le-repari-acasa.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/Top-erori-OBD2-comune-si-cum-le-repari-acasa.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/Top-erori-OBD2-comune-si-cum-le-repari-acasa.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/Top-erori-OBD2-comune-si-cum-le-repari-acasa.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/04\/Top-erori-OBD2-comune-si-cum-le-repari-acasa.webp?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pf97go-4Gh","jetpack_sharing_enabled":true,"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/17997","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=17997"}],"version-history":[{"count":3,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/17997\/revisions"}],"predecessor-version":[{"id":42204,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/17997\/revisions\/42204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/media\/18003"}],"wp:attachment":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/media?parent=17997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/categories?post=17997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/tags?post=17997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}