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1991 Mercedes-Benz 420SEL 4.2L Poor Idle Quality
I bought htis car for my wife (first mistake) to replace old and tired 500sel. Car was sluggish and had 14 inches of vacume at idle. Found vac leak at trans modulator hose, reapired. Ran motor vac on injection system and that is when things changed. Idle went ...
FIX posted 5/11/2005
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Related Documents & Media | VIN | WDBCA35EXM |
| Engine | 4.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / CSIE |
| Emissions | US FED |
| Symptoms | Poor Idle Quality |
| Occurs | Hot |
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 / CSIE |
| Emissions | US FED |
| Symptoms | Poor Idle Quality |
| Occurs | Hot |
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