Operation CHARM: Car repair manuals for everyone.

Causes of Idle-Running Performance




Causes Of Idle-Running Performance

Unequal Cylinder Fill Levels
- Eccentric shaft of the left and right cylinder banks do not work synchronously
- Unfavorable tolerance of the Valvetronic mechanism
- Wear in the Valvetronic mechanism
- Combustion chamber leak

Ignition Problems
- Defective spark plugs
- Defective ignition coils

Fuel Supply
- Defective fuel injectors

Body
- Tensions in the bracket of the drive train
- Defective engine mount