{"id":3856,"date":"2026-04-23T12:18:54","date_gmt":"2026-04-23T12:18:54","guid":{"rendered":"https:\/\/obdprofi.com\/random-misfire-p0300-p0306-step-by-step-diagnosis-using-live-data\/"},"modified":"2026-04-23T12:27:43","modified_gmt":"2026-04-23T12:27:43","slug":"nahodne-vynechavani-zapalovani-p0300-p0306-postupna-diagnostika-s-vyuzitim-dat-v-realnem-case","status":"publish","type":"post","link":"https:\/\/obdprofi.com\/cs\/random-misfire-p0300-p0306-step-by-step-diagnosis-using-live-data\/","title":{"rendered":"N\u00e1hodn\u00fd chybn\u00fd z\u00e1\u017eeh (P0300-P0306): Diagnostika krok za krokem s vyu\u017eit\u00edm \u017eiv\u00fdch dat"},"content":{"rendered":"<p class=\"first:mt-1.5!\">Pokud v\u00e1m motor p\u0159i volnob\u011bhu vibruje, p\u0159i akceleraci zadrh\u00e1v\u00e1 nebo sv\u00edt\u00ed kontrolka \u201eCheck Engine\u201c, je velmi pravd\u011bpodobn\u00e9, \u017ee se jedn\u00e1 o vynech\u00e1v\u00e1n\u00ed motoru. Jedn\u00e1 se o jeden z nej\u010dast\u011bj\u0161\u00edch probl\u00e9m\u016f, kv\u016fli kter\u00fdm \u0159idi\u010di vyhled\u00e1vaj\u00ed pomoc \u2013 a z\u00e1rove\u0148 o jeden z nej\u010dast\u011bji nespr\u00e1vn\u011b diagnostikovan\u00fdch.<\/p>\n<p class=\"first:mt-1.5!\">Vynech\u00e1v\u00e1n\u00ed z\u00e1\u017eehov\u00fdch, naftov\u00fdch i hybridn\u00edch motor\u016f. Nejv\u011bt\u0161\u00ed (a nejdra\u017e\u0161\u00ed) chyba? V\u00fdm\u011bna d\u00edl\u016f bez ov\u011b\u0159en\u00ed skute\u010dn\u00e9 p\u0159\u00ed\u010diny.<\/p>\n<p class=\"first:mt-1.5!\">V tomto n\u00e1vodu se dozv\u00edte, jak spr\u00e1vn\u011b diagnostikovat k\u00f3dy vynech\u00e1v\u00e1n\u00ed zapalov\u00e1n\u00ed <strong>P0300 (n\u00e1hodn\u00e9 vynech\u00e1v\u00e1n\u00ed zapalov\u00e1n\u00ed)<\/strong> a <strong>P0301\u2013P0306 (selh\u00e1n\u00ed zapalov\u00e1n\u00ed v jednotliv\u00fdch v\u00e1lc\u00edch)<\/strong> s vyu\u017eit\u00edm n\u00e1stroj\u016f OBD2 a dat v re\u00e1ln\u00e9m \u010dase.<\/p>\n<hr \/>\n<h3>\u26a0\ufe0f Bezpe\u010dnost na prvn\u00edm m\u00edst\u011b<\/h3>\n<p class=\"first:mt-1.5!\">Pokud sv\u00edt\u00ed kontrolka \u201eCheck Engine\u201c, <strong>blikaj\u00edc\u00ed<\/strong>, okam\u017eit\u011b zastavte. Siln\u00e9 vynech\u00e1v\u00e1n\u00ed motoru m\u016f\u017ee b\u011bhem n\u011bkolika minut zp\u016fsobit p\u0159eh\u0159\u00e1t\u00ed a zni\u010den\u00ed katalyz\u00e1toru.<\/p>\n<p class=\"first:mt-1.5!\">Nal\u00e9hav\u00e9 varovn\u00e9 p\u0159\u00edznaky:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Siln\u00e9 vibrace motoru<\/li>\n<li class=\"ml-4\">Siln\u00fd z\u00e1pach paliva z v\u00fdfuku<\/li>\n<li class=\"ml-4\">N\u00e1hl\u00fd v\u00fdpadek proudu<\/li>\n<\/ul>\n<hr \/>\n<h3>B\u011b\u017en\u00e9 p\u0159\u00edznaky selh\u00e1n\u00ed zapalov\u00e1n\u00ed motoru<\/h3>\n<p class=\"first:mt-1.5!\">Toto jsou nej\u010dast\u011bji vyhled\u00e1van\u00e9 a hl\u00e1\u0161en\u00e9 probl\u00e9my:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Nerovnom\u011brn\u00fd volnob\u011bh nebo vibrace motoru<\/li>\n<li class=\"ml-4\">Zav\u00e1h\u00e1n\u00ed nebo trhnut\u00ed p\u0159i zrychlov\u00e1n\u00ed<\/li>\n<li class=\"ml-4\">V\u00fdpadek proudu<\/li>\n<li class=\"ml-4\">Zv\u00fd\u0161en\u00e1 spot\u0159eba paliva<\/li>\n<li class=\"ml-4\">Z\u00e1pach paliva z v\u00fdfuku<\/li>\n<li class=\"ml-4\">Kontrolka motoru (sv\u00edt\u00ed trvale nebo blik\u00e1)<\/li>\n<li class=\"ml-4\">K selh\u00e1n\u00ed zapalov\u00e1n\u00ed doch\u00e1z\u00ed pouze za studena, za tepla nebo p\u0159i zat\u00ed\u017een\u00ed<\/li>\n<\/ul>\n<hr \/>\n<h3>N\u00e1stroje pot\u0159ebn\u00e9 pro spr\u00e1vnou diagnostiku<\/h3>\n<p class=\"first:mt-1.5!\">Z\u00e1kladn\u00ed \u010dte\u010dky OBD2 dok\u00e1\u017eou zobrazit chybov\u00e9 k\u00f3dy \u2013 ale <strong>\u017eiv\u00e1 data jsou nezbytn\u00e1<\/strong> pro stanoven\u00ed skute\u010dn\u00e9 diagn\u00f3zy.<\/p>\n<p class=\"first:mt-1.5!\">Doporu\u010den\u00e9 n\u00e1stroje:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Z\u00e1kladn\u00ed \u00farove\u0148: <strong>Vgate iCar Pro 2S (Bluetooth OBD2)<\/strong><\/li>\n<li class=\"ml-4\">St\u0159edn\u00ed t\u0159\u00edda: <strong>Delfi DS150e Premium (data v re\u00e1ln\u00e9m \u010dase + po\u010d\u00edtadla vynech\u00e1n\u00ed z\u00e1\u017eehu)<\/strong><\/li>\n<li class=\"ml-4\">Profesion\u00e1ln\u00ed: <strong>Wurth WOW Snooper \/ Multidiag Pro<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3>Krok 1: Na\u010dten\u00ed chybov\u00fdch k\u00f3d\u016f a dat z pam\u011bti \u201eFreeze Frame\u201c<\/h3>\n<p class=\"first:mt-1.5!\">P\u0159ipojte sv\u016fj OBD2 skener a zaznamenejte:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">V\u0161echny chybov\u00e9 k\u00f3dy<\/li>\n<li class=\"ml-4\">Data ze sn\u00edmku obrazovky (ot\u00e1\u010dky, teplota chladic\u00ed kapaliny, zat\u00ed\u017een\u00ed, korekce d\u00e1vky paliva)<\/li>\n<\/ul>\n<p class=\"first:mt-1.5!\">Pro\u010d je to d\u016fle\u017eit\u00e9:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Vysko\u010den\u00ed zapalov\u00e1n\u00ed p\u0159i volnob\u011bhu \u2192 \u010dasto \u00fanik podtlaku nebo probl\u00e9m se zapalov\u00e1n\u00edm<\/li>\n<li class=\"ml-4\">Vynech\u00e1v\u00e1n\u00ed zapalov\u00e1n\u00ed p\u0159i zat\u00ed\u017een\u00ed \u2192 obvykle porucha palivov\u00e9ho syst\u00e9mu nebo zapalov\u00e1n\u00ed<\/li>\n<\/ul>\n<hr \/>\n<h3>Krok 2: Ur\u010dete typ selh\u00e1n\u00ed zapalov\u00e1n\u00ed<\/h3>\n<ul class=\"list-disc\">\n<li class=\"ml-4\"><strong>P0301\u2013P0306<\/strong> \u2192 Selh\u00e1n\u00ed zapalov\u00e1n\u00ed v konkr\u00e9tn\u00edm v\u00e1lci<\/li>\n<li class=\"ml-4\"><strong>P0300<\/strong> \u2192 N\u00e1hodn\u00e9 nebo v\u00edcen\u00e1sobn\u00e9 vynech\u00e1v\u00e1n\u00ed v\u00e1lc\u016f<\/li>\n<\/ul>\n<p class=\"first:mt-1.5!\">Tip: Pokro\u010dil\u00e9 skenery zobrazuj\u00ed <strong>Po\u010det aktu\u00e1ln\u00edch v\u00fdpadk\u016f zapalov\u00e1n\u00ed na v\u00e1lec<\/strong>, co\u017e urychluje stanoven\u00ed diagn\u00f3zy.<\/p>\n<hr \/>\n<h3>Krok 3: Anal\u00fdza aktu\u00e1ln\u00edch dat (kl\u00ed\u010dov\u00fd krok)<\/h3>\n<h4>\u00dapravy d\u00e1vky paliva (STFT a LTFT)<\/h4>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">\n<p class=\"first:mt-1.5!\"><strong>+10% a\u017e +25% (chud\u00e1 sm\u011bs)<\/strong><br \/>\n\u2192 \u00danik ve vakuov\u00e9m okruhu, n\u00edzk\u00fd tlak paliva, zne\u010di\u0161t\u011bn\u00fd sn\u00edma\u010d hmotnostn\u00edho pr\u016ftoku vzduchu (MAF)<\/p>\n<\/li>\n<li class=\"ml-4\">\n<p class=\"first:mt-1.5!\"><strong>-10% a\u017e -25% (bohat\u00fd stav)<\/strong><br \/>\n\u2192 Net\u011bsn\u00fd vst\u0159ikova\u010d, vysok\u00fd tlak paliva, probl\u00e9m se syst\u00e9mem EVAP<\/p>\n<\/li>\n<\/ul>\n<h4>Teplota chladic\u00ed kapaliny motoru (ECT)<\/h4>\n<p class=\"first:mt-1.5!\">Nespr\u00e1vn\u00e9 hodnoty mohou zp\u016fsobit nespr\u00e1vn\u00e9 slo\u017een\u00ed palivov\u00e9 sm\u011bsi a nerovnom\u011brn\u00fd chod motoru.<\/p>\n<h4>\u00dadaje ze sn\u00edma\u010de MAF \/ MAP<\/h4>\n<p class=\"first:mt-1.5!\">Nestabiln\u00ed nebo nere\u00e1ln\u00e9 hodnoty \u010dasto nazna\u010duj\u00ed:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">\u00daniky nas\u00e1van\u00e9ho vzduchu<\/li>\n<li class=\"ml-4\">Zne\u010di\u0161t\u011bn\u00fd nebo vadn\u00fd sn\u00edma\u010d MAF<\/li>\n<\/ul>\n<hr \/>\n<h3>Krok 4: Oprava selh\u00e1n\u00ed zapalov\u00e1n\u00ed v konkr\u00e9tn\u00edm v\u00e1lci (P0301\u2013P0306)<\/h3>\n<p class=\"first:mt-1.5!\">Toto je nejjednodu\u0161\u0161\u00ed a nejlevn\u011bj\u0161\u00ed zp\u016fsob.<\/p>\n<h4>4.1 Nejprve zkontrolujte sou\u010d\u00e1sti zapalov\u00e1n\u00ed<\/h4>\n<p class=\"first:mt-1.5!\">V\u011bt\u0161ina p\u0159\u00edpad\u016f selh\u00e1n\u00ed zapalov\u00e1n\u00ed souvis\u00ed se syst\u00e9mem zapalov\u00e1n\u00ed.<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Zkontrolujte zapalovac\u00ed sv\u00ed\u010dky (opot\u0159eben\u00ed, olej, praskliny, mezera)<\/li>\n<li class=\"ml-4\">Vym\u011b\u0148te zapalovac\u00ed c\u00edvku za c\u00edvku z jin\u00e9ho v\u00e1lce<\/li>\n<li class=\"ml-4\">Vymazat k\u00f3dy a prov\u00e9st nov\u00fd test<\/li>\n<\/ul>\n<p class=\"first:mt-1.5!\">\ud83d\udc49 Pokud se vynech\u00e1n\u00ed z\u00e1\u017eehu p\u0159esune \u2192 potvrzena z\u00e1vada c\u00edvky<\/p>\n<h4>4.2 Kontrola vst\u0159ikova\u010de paliva<\/h4>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">V\u0161\u00edmejte si, zda nesly\u0161\u00edte cvakav\u00fd zvuk<\/li>\n<li class=\"ml-4\">Zkontrolujte pulz vst\u0159ikova\u010de pomoc\u00ed \u017eiv\u00fdch dat<\/li>\n<li class=\"ml-4\">Zkontrolujte tlak paliva (obvykle 2,5\u20134,0 bar)<\/li>\n<\/ul>\n<h4>4.3 Kontrola motoru \u2013 mechanika<\/h4>\n<p class=\"first:mt-1.5!\">Pokud jsou zapalov\u00e1n\u00ed a palivo v po\u0159\u00e1dku:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Zkou\u0161ka tlakem (ventily, p\u00edstn\u00ed krou\u017eky)<\/li>\n<li class=\"ml-4\">\u00danik v sac\u00edm potrub\u00ed v bl\u00edzkosti tohoto v\u00e1lce<\/li>\n<li class=\"ml-4\">Probl\u00e9m s t\u011bsn\u011bn\u00edm hlavy v\u00e1lc\u016f<\/li>\n<\/ul>\n<hr \/>\n<h3>Krok 5: Diagnostika n\u00e1hodn\u00e9ho vynech\u00e1v\u00e1n\u00ed zapalov\u00e1n\u00ed (P0300)<\/h3>\n<p class=\"first:mt-1.5!\">Slo\u017eit\u011bj\u0161\u00ed \u2013 t\u00fdk\u00e1 se v\u00edce v\u00e1lc\u016f.<\/p>\n<h4>\u00daniky vakua (velmi \u010dast\u00e9)<\/h4>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Nerovnom\u011brn\u00fd volnob\u011bh, p\u0159i vy\u0161\u0161\u00edch ot\u00e1\u010dk\u00e1ch se to zlep\u0161uje<\/li>\n<li class=\"ml-4\">Vysok\u00e9 korekce paliva p\u0159i volnob\u011bhu<\/li>\n<li class=\"ml-4\">Zkontrolujte:\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Hadice PCV<\/li>\n<li class=\"ml-4\">Sac\u00ed man\u017eeta<\/li>\n<li class=\"ml-4\">T\u011bsn\u011bn\u00ed rozd\u011blova\u010de<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Probl\u00e9my s p\u0159\u00edvodem paliva<\/h4>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Vysko\u010den\u00ed zapalov\u00e1n\u00ed p\u0159i zrychlov\u00e1n\u00ed<\/li>\n<li class=\"ml-4\">K\u00f3dy stavu v syst\u00e9mu Lean<\/li>\n<li class=\"ml-4\">Zkontrolujte:\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Tlak palivov\u00e9ho \u010derpadla<\/li>\n<li class=\"ml-4\">Palivov\u00fd filtr<\/li>\n<li class=\"ml-4\">Regul\u00e1tor tlaku<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Porucha zapalov\u00e1n\u00ed p\u0159i zat\u00ed\u017een\u00ed<\/h4>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">V klidu funguje bez probl\u00e9m\u016f, p\u0159i zat\u00ed\u017een\u00ed selh\u00e1v\u00e1<\/li>\n<li class=\"ml-4\">V de\u0161tiv\u00fdch podm\u00ednk\u00e1ch je to je\u0161t\u011b hor\u0161\u00ed<\/li>\n<li class=\"ml-4\">\u010casto opot\u0159ebovan\u00e9 sv\u00ed\u010dky nebo slab\u00e9 c\u00edvky<\/li>\n<\/ul>\n<h4>Probl\u00e9my se sn\u00edma\u010di (MAF \/ O2)<\/h4>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Nespr\u00e1vn\u00e9 hodnoty pr\u016ftoku vzduchu nebo kysl\u00edku<\/li>\n<li class=\"ml-4\">To vede ke \u0161patn\u00e9 palivov\u00e9 sm\u011bsi<\/li>\n<li class=\"ml-4\">Porovnejte nam\u011b\u0159en\u00e9 hodnoty MAF s o\u010dek\u00e1van\u00fdmi hodnotami<\/li>\n<\/ul>\n<hr \/>\n<h3>Krok 6: Ov\u011b\u0159en\u00ed opravy<\/h3>\n<p class=\"first:mt-1.5!\">Po vy\u0159e\u0161en\u00ed probl\u00e9mu:<\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Vymazat v\u0161echny chybov\u00e9 k\u00f3dy<\/li>\n<li class=\"ml-4\">Zku\u0161ebn\u00ed j\u00edzda za stejn\u00fdch podm\u00ednek<\/li>\n<li class=\"ml-4\">Monitor:\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Po\u010d\u00edtadla selh\u00e1n\u00ed zapalov\u00e1n\u00ed<\/li>\n<li class=\"ml-4\">\u00dapravy d\u00e1vky paliva (m\u011bly by se vr\u00e1tit k norm\u00e1lu)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>Rozpis n\u00e1klad\u016f (typick\u00e9 opravy)<\/h3>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Zapalovac\u00ed sv\u00ed\u010dky: 20\u201380 \u20ac<\/li>\n<li class=\"ml-4\">Zapalovac\u00ed c\u00edvka: 50\u2013150 \u20ac<\/li>\n<li class=\"ml-4\">Vst\u0159ikova\u010d paliva: 100\u2013300 \u20ac<\/li>\n<li class=\"ml-4\">Palivov\u00e9 \u010derpadlo: 300\u2013800 \u20ac<\/li>\n<li class=\"ml-4\">Katalyz\u00e1tor: 500\u20131 500 \u20ac<\/li>\n<li class=\"ml-4\">Diagnostick\u00fd n\u00e1stroj: 57\u2013300 \u20ac (jednor\u00e1zov\u00e1 investice)<\/li>\n<\/ul>\n<hr \/>\n<h3>\u010casto kladen\u00e9 ot\u00e1zky \u2013 Na co se lid\u00e9 ptaj\u00ed nej\u010dast\u011bji<\/h3>\n<p class=\"first:mt-1.5!\"><strong>Mohu \u0159\u00eddit s chybov\u00fdm k\u00f3dem P0300?<\/strong><\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">Blikaj\u00edc\u00ed sv\u011btlo \u2192 NE (okam\u017eit\u011b zastavte)<\/li>\n<li class=\"ml-4\">St\u00e1l\u00e9 sv\u011btlo \u2192 pouze j\u00edzda na kr\u00e1tk\u00e9 vzd\u00e1lenosti<\/li>\n<\/ul>\n<p class=\"first:mt-1.5!\"><strong>Jak\u00fd je rozd\u00edl mezi STFT a LTFT?<\/strong><\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">STFT = kr\u00e1tkodob\u00e9 \u00fapravy (okam\u017eit\u00e9)<\/li>\n<li class=\"ml-4\">LTFT = dlouhodob\u011b nau\u010den\u00e9 korekce<\/li>\n<li class=\"ml-4\">Oboj\u00ed \u2192 skute\u010dn\u00fd probl\u00e9m s palivem<\/li>\n<\/ul>\n<p class=\"first:mt-1.5!\"><strong>Pot\u0159ebuji profesion\u00e1ln\u00ed skener?<\/strong><\/p>\n<ul class=\"list-disc\">\n<li class=\"ml-4\">U z\u00e1kladn\u00edch k\u00f3d\u016f \u2192 ne<\/li>\n<li class=\"ml-4\">Pro skute\u010dnou diagnostiku \u2192 ano (kl\u00ed\u010dov\u00e1 jsou data v re\u00e1ln\u00e9m \u010dase)<\/li>\n<\/ul>\n<p class=\"first:mt-1.5!\"><strong>M\u016f\u017ee vadn\u00fd sn\u00edma\u010d kysl\u00edku zp\u016fsobit vynech\u00e1v\u00e1n\u00ed ve spalov\u00e1n\u00ed?<\/strong><br \/>\nAno. Ovliv\u0148uje to nastaven\u00ed paliva \u2192 nespr\u00e1vn\u00fd pom\u011br vzduchu a paliva.<\/p>\n<p class=\"first:mt-1.5!\"><strong>Co bych m\u011bl zkontrolovat jako prvn\u00ed?<\/strong><br \/>\nV\u017edy za\u010dn\u011bte s <strong>zapalovac\u00ed sv\u00ed\u010dky<\/strong>\u2014levn\u00e9 a velmi odhaluj\u00edc\u00ed.<\/p>\n<hr \/>\n<h3>Z\u00e1v\u011bre\u010dn\u00e9 shrnut\u00ed<\/h3>\n<ul class=\"list-disc\">\n<li class=\"ml-4\"><strong>P0301\u2013P0306<\/strong> \u2192 Za\u010dn\u011bte se zapalov\u00e1n\u00edm u tohoto v\u00e1lce<\/li>\n<li class=\"ml-4\"><strong>P0300<\/strong> \u2192 Zkontrolujte, zda se nejedn\u00e1 o syst\u00e9mov\u00e9 probl\u00e9my (podtlak, palivo, sn\u00edma\u010de)<\/li>\n<li class=\"ml-4\">Nikdy nevym\u011b\u0148ujte sou\u010d\u00e1stky naslepo \u2013 pou\u017eijte <strong>aktu\u00e1ln\u00ed data jako podklad pro rozhodov\u00e1n\u00ed<\/strong><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Pokud se v\u00e1\u0161 motor chv\u011bje, v\u00e1h\u00e1 nebo sv\u00edt\u00ed kontrolka Check Engine Light, jedn\u00e1 se o chybu v zapalov\u00e1n\u00ed. Nau\u010dte se diagnostikovat k\u00f3dy P0300 a P0301-P0306 pomoc\u00ed \u017eiv\u00fdch dat a u\u0161et\u0159ete stovky za zbyte\u010dn\u00e9 d\u00edly.<\/p>","protected":false},"author":2,"featured_media":3855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[30],"tags":[],"class_list":["post-3856","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diagnostic-guides"],"aioseo_notices":[],"uagb_featured_image_src":{"full":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis.png",1312,736,false],"thumbnail":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-150x150.png",150,150,true],"medium":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-300x168.png",300,168,true],"medium_large":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-768x431.png",768,431,true],"large":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-1024x574.png",1024,574,true],"1536x1536":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis.png",1312,736,false],"2048x2048":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis.png",1312,736,false],"trp-custom-language-flag":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-18x10.png",18,10,true],"woocommerce_thumbnail":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-300x300.png",300,300,true],"woocommerce_single":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-600x337.png",600,337,true],"woocommerce_gallery_thumbnail":["https:\/\/obdprofi.com\/wp-content\/uploads\/2026\/04\/misfire-diagnosis-100x100.png",100,100,true]},"uagb_author_info":{"display_name":"Alex","author_link":"https:\/\/obdprofi.com\/cs\/author\/alex\/"},"uagb_comment_info":0,"uagb_excerpt":"If your engine is shaking, hesitating, or your Check Engine Light is on, you're dealing with a misfire. Learn how to diagnose P0300 and P0301-P0306 codes using live data and save hundreds on unnecessary parts.","_links":{"self":[{"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/posts\/3856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/comments?post=3856"}],"version-history":[{"count":1,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/posts\/3856\/revisions"}],"predecessor-version":[{"id":3860,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/posts\/3856\/revisions\/3860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/media\/3855"}],"wp:attachment":[{"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/media?parent=3856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/categories?post=3856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obdprofi.com\/cs\/wp-json\/wp\/v2\/tags?post=3856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}