Operation CHARM: Car repair manuals for everyone.

Cuts Out/Misses

DEFINITION: Steady pulsation or jerking that follows engine speed, usually more pronounced as engine load increases. Not normally felt above 1500 rpm or 30 mph (48 km/H). The exhaust has a steady spitting sound at idle or low speed.

^ Carefully perform visual check.

^ Check for misfiring cylinder, spark plugs, spark plug wires, coil connection, etc.

^ Perform compression check to verify if problem is mechanical and not electrical.

^ Check EGR valve for sticking partly open.

^ Check ignition timing.

^ Check CAM timing.