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1988 Mercedes-Benz 420SEL 4.2L Poor Idle Quality
Posted to European Driveability on 7/29/1999

Idle is very high, 1500 to 1800 rpms. Tried idle motor, also timing and co is within specs. Also the idle stop is adjusted correctly. We do not see any vacuum leaks. if we take the vacuum hose off of the ignition control unit located on l/f wheel well, idl...

  Related Documents & Media  1988 Mercedes-Benz 420SEL

 
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car Vehicle Data

1988 Mercedes-Benz 420SEL

VIN WDBCA35D7J
Engine4.2 L / 8 cyl
SymptomsPoor Idle Quality
Misc.4 Dr Sedan
Message Closed

car Vehicle Data

1988 Mercedes-Benz 420SEL

VIN WDBCA35D7J
Engine4.2 L / 8 cyl
SymptomsPoor Idle Quality
Misc.4 Dr Sedan