Mechanics

MODELS IDLING

1995 Mercedes Benz Other

Engine Performance problem
1995 Other Mercedes Benz Models 4 cyl Two Wheel Drive Automatic 86000 miles

the problem I have is when driving and I brake the engine sounds as though it is only firing on three cylinders but no problems when driving
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D.mac
June 29, 2008.



Hi d. Mac,

If the misfiring only occurs at idling with the brake pedal depressed and not when the pedal is released, it could be the brake power booster or valve is having some vacumn leakage.

KHLow2008
Jun 29, 2008.