Misses Under Load

SYMPTOM DESCRIPTION:

Steady pulsation or jerking that follows engine speed, usually more pronounced as engine load increases. The exhaust has a steady spitting sound at idle or low speed.


POSSIBLE CAUSE ACTION

Contaminated fuel Drain fuel tank and add clean fuel



Restricted fuel filter/line Replace filter/repair restricted line



Low fuel pressure Test fuel pressure.



Plugged fuel injectors Perform injector service (cleaning).