Operation CHARM: Car repair manuals for everyone.

Misses Under Load


Definition: 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
Proceed to FUEL PUMP