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Fluctuating Back Pressure
Posted to Technical Theory Forum on 12/18/2015 13 Replies

This vehicle is backfiring out the exhaust under load with an occasional ignition-like miss at idle. Barely any power under load. Good compression, plus swapped coils, and injectors still codes p0300, 301, 303, and 305.

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car Vehicle Data

2002 Dodge Dakota Sport 4.7L Cuts Out, Hesitation, Misfire

Engine4.7 L
Trans5-speed Standard
SymptomsCuts Out, Hesitation, Misfire

car Vehicle Data

2002 Dodge Dakota Sport 4.7L Cuts Out, Hesitation, Misfire

Engine4.7 L
Trans5-speed Standard
SymptomsCuts Out, Hesitation, Misfire