Operation CHARM: Car repair manuals for everyone.

Engine Hesitates, Poor Acceleration


1. Clutch slipping or brakes dragging.
2. Vacuum leak in air intake line.
3. Clogged air filter element.
4. Insufficient spark.
5. Incorrect ignition timing.
6. Defective EFI computer.
7. Insufficient fuel pressure.
8. Worn or defective injectors.