{"id":39322,"date":"2026-03-20T06:58:30","date_gmt":"2026-03-20T04:58:30","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=39322"},"modified":"2026-03-20T06:58:30","modified_gmt":"2026-03-20T04:58:30","slug":"pilot-injection-explained-why-modern-diesels-are-quieter","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pilot-injection-explained-why-modern-diesels-are-quieter\/","title":{"rendered":"Pilot Injection Explained: Why Modern Diesels Are Quieter"},"content":{"rendered":"<h2 data-start=\"425\" data-end=\"470\">What Is Pilot Injection in Diesel Engines?<\/h2>\n<p data-start=\"472\" data-end=\"587\"><strong data-start=\"472\" data-end=\"491\">Pilot injection<\/strong> is a small amount of fuel injected into the combustion chamber before the main injection event.<\/p>\n<p data-start=\"589\" data-end=\"670\">Modern diesel engines no longer inject fuel in a single burst. Instead, they use:<\/p>\n<ul data-start=\"672\" data-end=\"749\">\n<li data-start=\"672\" data-end=\"705\">\n<p data-start=\"674\" data-end=\"705\">Pilot injection (pre-injection)<\/p>\n<\/li>\n<li data-start=\"706\" data-end=\"722\">\n<p data-start=\"708\" data-end=\"722\">Main injection<\/p>\n<\/li>\n<li data-start=\"723\" data-end=\"749\">\n<p data-start=\"725\" data-end=\"749\">Sometimes post-injection<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"751\" data-end=\"818\">This strategy improves combustion control and reduces diesel knock.<\/p>\n<hr data-start=\"820\" data-end=\"823\" \/>\n<h2 data-start=\"825\" data-end=\"860\">Why Pilot Injection Is Necessary<\/h2>\n<p data-start=\"862\" data-end=\"938\">In older diesel engines, fuel was injected in one single event. This caused:<\/p>\n<ul data-start=\"940\" data-end=\"1015\">\n<li data-start=\"940\" data-end=\"963\">\n<p data-start=\"942\" data-end=\"963\">Long ignition delay<\/p>\n<\/li>\n<li data-start=\"964\" data-end=\"989\">\n<p data-start=\"966\" data-end=\"989\">Sudden pressure spike<\/p>\n<\/li>\n<li data-start=\"990\" data-end=\"1015\">\n<p data-start=\"992\" data-end=\"1015\">Loud combustion noise<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1017\" data-end=\"1057\">Pilot injection changes this completely.<\/p>\n<p data-start=\"1059\" data-end=\"1106\">By injecting a very small amount of fuel first:<\/p>\n<ol data-start=\"1108\" data-end=\"1282\">\n<li data-start=\"1108\" data-end=\"1148\">\n<p data-start=\"1111\" data-end=\"1148\">A small controlled combustion begins.<\/p>\n<\/li>\n<li data-start=\"1149\" data-end=\"1189\">\n<p data-start=\"1152\" data-end=\"1189\">Cylinder temperature rises gradually.<\/p>\n<\/li>\n<li data-start=\"1190\" data-end=\"1247\">\n<p data-start=\"1193\" data-end=\"1247\">Ignition delay for the main injection becomes shorter.<\/p>\n<\/li>\n<li data-start=\"1248\" data-end=\"1282\">\n<p data-start=\"1251\" data-end=\"1282\">Pressure rise becomes smoother.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"1284\" data-end=\"1330\">Result: quieter and more efficient combustion.<\/p>\n<hr data-start=\"1332\" data-end=\"1335\" \/>\n<h2 data-start=\"1337\" data-end=\"1372\">The Connection With Diesel Knock<\/h2>\n<p data-start=\"1374\" data-end=\"1460\">As explained in previous articles, diesel knock is caused by excessive ignition delay.<\/p>\n<p data-start=\"1462\" data-end=\"1621\">Under European fuel regulations such as <strong data-start=\"1502\" data-end=\"1543\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">EN 590<\/span><\/span><\/strong>, diesel fuel must have a minimum <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/cetane-number-explained-why-51-is-critical\/\">cetane number<\/a> of 51 to limit ignition delay.<\/p>\n<p data-start=\"1623\" data-end=\"1691\">Even with proper fuel quality, pilot injection is necessary because:<\/p>\n<ul data-start=\"1693\" data-end=\"1811\">\n<li data-start=\"1693\" data-end=\"1739\">\n<p data-start=\"1695\" data-end=\"1739\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">Modern engines<\/a> run higher compression ratios<\/p>\n<\/li>\n<li data-start=\"1740\" data-end=\"1777\">\n<p data-start=\"1742\" data-end=\"1777\">Injection pressures exceed 2000 bar<\/p>\n<\/li>\n<li data-start=\"1778\" data-end=\"1811\">\n<p data-start=\"1780\" data-end=\"1811\">Emission standards are stricter<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1813\" data-end=\"1898\">Pilot injection ensures controlled pressure rise regardless of small fuel variations.<\/p>\n<hr data-start=\"1900\" data-end=\"1903\" \/>\n<h2 data-start=\"1905\" data-end=\"1956\">How Pilot Injection Works in Common Rail Systems<\/h2>\n<p data-start=\"1958\" data-end=\"1991\">Modern common rail systems allow:<\/p>\n<ul data-start=\"1993\" data-end=\"2112\">\n<li data-start=\"1993\" data-end=\"2031\">\n<p data-start=\"1995\" data-end=\"2031\">Extremely precise injection <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-start=\"2032\" data-end=\"2071\">\n<p data-start=\"2034\" data-end=\"2071\">Multiple injection pulses per cycle<\/p>\n<\/li>\n<li data-start=\"2072\" data-end=\"2112\">\n<p data-start=\"2074\" data-end=\"2112\">Microsecond-level electronic control<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2114\" data-end=\"2188\">The injector can open and close several times within one combustion cycle.<\/p>\n<p data-start=\"2190\" data-end=\"2207\">Typical sequence:<\/p>\n<p data-start=\"2209\" data-end=\"2397\">1\ufe0f\u20e3 First pilot injection (very small quantity)<br data-start=\"2256\" data-end=\"2259\" \/>2\ufe0f\u20e3 Second pilot injection (optional in some engines)<br data-start=\"2312\" data-end=\"2315\" \/>3\ufe0f\u20e3 Main injection<br data-start=\"2333\" data-end=\"2336\" \/>4\ufe0f\u20e3 Post-injection (for <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-dpf-removal-the-whole-truth-and-real-risks\/\">DPF<\/a> regeneration or emission control)<\/p>\n<p data-start=\"2399\" data-end=\"2458\">This flexibility was impossible in mechanical diesel pumps.<\/p>\n<hr data-start=\"2460\" data-end=\"2463\" \/>\n<h2 data-start=\"2465\" data-end=\"2495\">Benefits of Pilot Injection<\/h2>\n<h3 data-start=\"2497\" data-end=\"2525\">1\ufe0f\u20e3 Reduced Engine Noise<\/h3>\n<p data-start=\"2526\" data-end=\"2581\">Smooth pressure rise reduces metallic combustion sound.<\/p>\n<h3 data-start=\"2583\" data-end=\"2614\">2\ufe0f\u20e3 Lower Mechanical Stress<\/h3>\n<p data-start=\"2615\" data-end=\"2671\">Gradual pressure increase protects pistons and bearings.<\/p>\n<h3 data-start=\"2673\" data-end=\"2706\">3\ufe0f\u20e3 Improved Emission Control<\/h3>\n<p data-start=\"2707\" data-end=\"2741\">Better combustion phasing reduces:<\/p>\n<ul data-start=\"2743\" data-end=\"2783\">\n<li data-start=\"2743\" data-end=\"2760\">\n<p data-start=\"2745\" data-end=\"2760\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-egr-cooler-role-how-it-works\/\">NOx<\/a> <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">emissions<\/a><\/p>\n<\/li>\n<li data-start=\"2761\" data-end=\"2783\">\n<p data-start=\"2763\" data-end=\"2783\">Particulate matter<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2785\" data-end=\"2819\">4\ufe0f\u20e3 Better Cold Start Behavior<\/h3>\n<p data-start=\"2820\" data-end=\"2862\">Especially important in <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/obd2-winter-codes-what-they-mean-and-why-they-appear\/\">winter<\/a> conditions.<\/p>\n<hr data-start=\"2864\" data-end=\"2867\" \/>\n<h2 data-start=\"2869\" data-end=\"2910\">What Happens If Pilot Injection Fails?<\/h2>\n<p data-start=\"2912\" data-end=\"2969\">If <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/do-gasoline-engines-have-injectors-full-technical-breakdown\/\">injectors<\/a> malfunction or ECU calibration is incorrect:<\/p>\n<ul data-start=\"2971\" data-end=\"3092\">\n<li data-start=\"2971\" data-end=\"2997\">\n<p data-start=\"2973\" data-end=\"2997\">Combustion becomes harsh<\/p>\n<\/li>\n<li data-start=\"2998\" data-end=\"3022\">\n<p data-start=\"3000\" data-end=\"3022\">Diesel knock increases<\/p>\n<\/li>\n<li data-start=\"3023\" data-end=\"3047\">\n<p data-start=\"3025\" data-end=\"3047\">Fuel consumption rises<\/p>\n<\/li>\n<li data-start=\"3048\" data-end=\"3068\">\n<p data-start=\"3050\" data-end=\"3068\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">Emissions<\/a> increase<\/p>\n<\/li>\n<li data-start=\"3069\" data-end=\"3092\">\n<p data-start=\"3071\" data-end=\"3092\">Idle becomes unstable<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3094\" data-end=\"3173\">Faulty <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/do-gasoline-engines-have-injectors-full-technical-breakdown\/\">injectors<\/a> or poor atomization directly affect pilot injection precision.<\/p>\n<hr data-start=\"3175\" data-end=\"3178\" \/>\n<h2 data-start=\"3180\" data-end=\"3215\">Pilot Injection and Fuel Quality<\/h2>\n<p data-start=\"3217\" data-end=\"3273\">Fuel properties influence pilot injection effectiveness:<\/p>\n<ul data-start=\"3275\" data-end=\"3342\">\n<li data-start=\"3275\" data-end=\"3290\">\n<p data-start=\"3277\" data-end=\"3290\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/cetane-number-explained-why-51-is-critical\/\">Cetane number<\/a><\/p>\n<\/li>\n<li data-start=\"3291\" data-end=\"3302\">\n<p data-start=\"3293\" data-end=\"3302\">Viscosity<\/p>\n<\/li>\n<li data-start=\"3303\" data-end=\"3314\">\n<p data-start=\"3305\" data-end=\"3314\">Lubricity<\/p>\n<\/li>\n<li data-start=\"3315\" data-end=\"3342\">\n<p data-start=\"3317\" data-end=\"3342\">Spray atomization quality<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3344\" data-end=\"3443\">Low cetane fuel increases ignition delay, forcing ECU correction through advanced injection <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<p data-start=\"3445\" data-end=\"3503\">Consistent fuel quality ensures stable combustion phasing.<\/p>\n<hr data-start=\"3505\" data-end=\"3508\" \/>\n<h2 data-start=\"3510\" data-end=\"3556\">Modern Diesel Strategy: Multiple Injections<\/h2>\n<p data-start=\"3558\" data-end=\"3619\">Some <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/wet-vs-dry-timing-belt-what-drivers-must-know\/\">modern engines<\/a> use up to 5\u20137 injection events per cycle.<\/p>\n<p data-start=\"3621\" data-end=\"3625\">Why?<\/p>\n<ul data-start=\"3627\" data-end=\"3735\">\n<li data-start=\"3627\" data-end=\"3646\">\n<p data-start=\"3629\" data-end=\"3646\">Noise reduction<\/p>\n<\/li>\n<li data-start=\"3647\" data-end=\"3667\">\n<p data-start=\"3649\" data-end=\"3667\">Emission control<\/p>\n<\/li>\n<li data-start=\"3668\" data-end=\"3706\">\n<p data-start=\"3670\" data-end=\"3706\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/car-consumes-too-much-fuel-10-real-causes\/\">Turbocharger<\/a> response optimization<\/p>\n<\/li>\n<li data-start=\"3707\" data-end=\"3735\">\n<p data-start=\"3709\" data-end=\"3735\"><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/%e2%9a%99%ef%b8%8f-dpf-removal-the-whole-truth-and-real-risks\/\">DPF<\/a> regeneration support<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3737\" data-end=\"3834\">This is one reason why modern diesel engines are significantly quieter than those from the 1990s.<\/p>\n<hr data-start=\"3836\" data-end=\"3839\" \/>\n<h2 data-start=\"3841\" data-end=\"3857\">Key Takeaways<\/h2>\n<ul data-start=\"3859\" data-end=\"4159\">\n<li data-start=\"3859\" data-end=\"3929\">\n<p data-start=\"3861\" data-end=\"3929\">Pilot injection is a small pre-injection before the main fuel event.<\/p>\n<\/li>\n<li data-start=\"3930\" data-end=\"3981\">\n<p data-start=\"3932\" data-end=\"3981\">It reduces ignition delay and smooths combustion.<\/p>\n<\/li>\n<li data-start=\"3982\" data-end=\"4032\">\n<p data-start=\"3984\" data-end=\"4032\">It minimizes diesel knock and mechanical stress.<\/p>\n<\/li>\n<li data-start=\"4033\" data-end=\"4094\">\n<p data-start=\"4035\" data-end=\"4094\">Modern common rail systems allow multiple injection events.<\/p>\n<\/li>\n<li data-start=\"4095\" data-end=\"4159\">\n<p data-start=\"4097\" data-end=\"4159\">Fuel quality directly influences injection control efficiency.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>What Is Pilot Injection in Diesel Engines? Pilot injection is a small amount of fuel injected into the combustion chamber before the main injection event. Modern diesel engines no longer inject fuel in a single burst. Instead, they use: Pilot injection (pre-injection) Main injection Sometimes post-injection This strategy improves combustion control and reduces diesel knock. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":39323,"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":[18606],"tags":[45367,45361,45365,45369,45355,45363],"class_list":["post-39322","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-cetane-number-diesel","tag-common-rail-injection","tag-diesel-combustion-control","tag-diesel-knock-reduction","tag-ignition-delay-diesel","tag-pilot-injection-diesel"],"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>Pilot Injection Explained: Why Modern Diesels Are Quieter - Diagnoza BAM<\/title>\n<meta name=\"description\" content=\"What is pilot injection in diesel engines? 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Diesel knock is the sharp metallic sound produced during abnormal combustion in a compression-ignition engine. Unlike gasoline knock (detonation), diesel knock is mainly caused by excessive ignition delay. It occurs when: Fuel is injected. Ignition is delayed. Too much fuel accumulates. 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Combustion phasing refers to the exact crankshaft angle at which peak cylinder pressure occurs during combustion. In simple terms: It defines when the maximum pressure happens relative to Top Dead Center (TDC). 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Ignition delay is the time interval between: The start of fuel injectionand The actual beginning of combustion. In compression-ignition engines, fuel is injected into highly compressed hot air. However, combustion does not start instantly. That short delay \u2014 measured in milliseconds \u2014 determines:\u2026","rel":"","context":"\u00cen \u201eNews\u201d","block_context":{"text":"News","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/news\/"},"img":{"alt_text":"sustainability 14 15902 g001","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/sustainability-14-15902-g001-scaled.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/sustainability-14-15902-g001-scaled.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/sustainability-14-15902-g001-scaled.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/sustainability-14-15902-g001-scaled.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/sustainability-14-15902-g001-scaled.webp?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/sustainability-14-15902-g001-scaled.webp?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":39331,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/nox-vs-soot-trade-off-in-diesel-engines\/","url_meta":{"origin":39322,"position":3},"title":"NOx vs Soot Trade-Off in Diesel Engines","author":"Bejenaru Alexandru Ionut","date":"21 martie 2026","format":false,"excerpt":"What Is the NOx vs Soot Trade-Off? In diesel combustion, reducing one emission often increases the other. NOx (Nitrogen Oxides) form at high combustion temperatures. Soot (particulate matter) forms in fuel-rich, low-oxygen zones. This creates a fundamental engineering compromise: Higher temperature \u2192 less soot, more NOx Lower temperature \u2192 less\u2026","rel":"","context":"\u00cen \u201eNews\u201d","block_context":{"text":"News","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/news\/"},"img":{"alt_text":"featured image 10224","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/featured-image-10224.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/featured-image-10224.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/featured-image-10224.webp?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":30283,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/do-gasoline-engines-have-injectors-full-technical-breakdown\/","url_meta":{"origin":39322,"position":4},"title":"Do Gasoline Engines Have Injectors? Full Technical Breakdown","author":"Bejenaru Alexandru Ionut","date":"20 noiembrie 2025","format":false,"excerpt":"Drivers often ask: do gasoline engines have injectors?The short answer is YES. Every modern gasoline engine relies on fuel injectors to deliver fuel precisely and efficiently. While older cars used carburetors, all modern gasoline engines\u2014from compact city cars to high-performance turbo models\u2014depend on advanced fuel injection systems that control fuel\u2026","rel":"","context":"\u00cen \u201eNews\u201d","block_context":{"text":"News","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/news\/"},"img":{"alt_text":"motoarele pe benzina au injectoare explicatie tehnica","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/motoarele-pe-benzina-au-injectoare-explicatie-tehnica.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/motoarele-pe-benzina-au-injectoare-explicatie-tehnica.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/motoarele-pe-benzina-au-injectoare-explicatie-tehnica.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/motoarele-pe-benzina-au-injectoare-explicatie-tehnica.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/motoarele-pe-benzina-au-injectoare-explicatie-tehnica.webp?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/11\/motoarele-pe-benzina-au-injectoare-explicatie-tehnica.webp?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":39312,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/diesel-vs-octane-the-critical-difference\/","url_meta":{"origin":39322,"position":5},"title":"Diesel vs Octane: The Critical Difference","author":"Bejenaru Alexandru Ionut","date":"19 martie 2026","format":false,"excerpt":"What Is the Difference Between Diesel and Octane? Many drivers confuse cetane number (diesel) with octane rating (gasoline). They measure opposite combustion behaviors. Cetane number measures how easily diesel fuel auto-ignites. Octane rating measures how resistant gasoline is to auto-ignition. In short: Diesel needs fuel that ignites easily. Gasoline needs\u2026","rel":"","context":"\u00cen \u201eNews\u201d","block_context":{"text":"News","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/news\/"},"img":{"alt_text":"diesel vs petrol engine 2","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/diesel-vs-petrol-engine-2.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/diesel-vs-petrol-engine-2.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/03\/diesel-vs-petrol-engine-2.webp?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pf97go-aee","jetpack_sharing_enabled":true,"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/39322","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=39322"}],"version-history":[{"count":1,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/39322\/revisions"}],"predecessor-version":[{"id":39324,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/posts\/39322\/revisions\/39324"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/media\/39323"}],"wp:attachment":[{"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/media?parent=39322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/categories?post=39322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagnozabam.ro\/sfaturi\/wp-json\/wp\/v2\/tags?post=39322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}