
1991 Mercedes-Benz 420SEL 4.2L Excessive Emissions, Poor Idle Quality, Flooding
Greetings to all ! This very clean , only driven in town 420 SEL has been a pain. Started out as a simple valve stem seal replacement job.......... After replacing seals , the engine had a misfire on cylinder #2. Ignition system worked fine , plugs dirty , rep...
FIX posted 10/26/2004
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VIN | WDBCA35EXM |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / CISE |
Emissions | FED |
Symptoms | Excessive Emissions, Poor Idle Quality, Flooding |
Occurs | Always, Cold, After a Hot Soak, After Setting a Couple Hours |
Message Closed w/FIX
Vehicle Data
1991 Mercedes-Benz 420SEL
VIN | WDBCA35EXM |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / CISE |
Emissions | FED |
Symptoms | Excessive Emissions, Poor Idle Quality, Flooding |
Occurs | Always, Cold, After a Hot Soak, After Setting a Couple Hours |