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28/07/2021 9:58 pm
Topic starter
Scotty i need your help, i have a 2004 Volvo S40 1.9 turbo with 57k miles, here is the link to the video. Everytime i step on the gas the car engine jerks hard and i've put in new spark plugs, coils, air filter, fuel filter, cleaned the mass air flow sensor, cleaned the throttle body and it keeps jerking and i dont know what to do.
Is that the check engine light illuminated in the bottom right corner? Have you already scanned for any codes?
Yes i scanned and always says missfire
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28/07/2021 11:51 pm
Assuming you used brand new OEM spark plugs & coils, pressure test your fuel pump -
Also - https://carkiller.com/scottykilmer/qa/misfire-4/
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