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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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Related Documents & Media | 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 |
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