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1990 Mercedes-Benz 420SEL 4.2L Poor Idle Quality, Surge
Posted to European Driveability on 10/21/2002 10 Replies

Good evening all,

Hoping to get alittle direction here on any common idle related problems with these vehicles. The engine just seems to idle rough, maybe worse when cold but even when warm. The other issue which may or may not be related is that when cruise ...

10 Replies Received (View Replies)

  Related Documents & Media  1990 Mercedes-Benz 420SEL

 
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car Vehicle Data

1990 Mercedes-Benz 420SEL

VIN WDBCA35E2L
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Surge
OccursAlways, Cruise, Idle
Message Closed w/FIX

car Vehicle Data

1990 Mercedes-Benz 420SEL

VIN WDBCA35E2L
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Surge
OccursAlways, Cruise, Idle