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1987 Mercedes-Benz 420SEL 4.2L Poor Idle Quality
Engine idles high at about 1100 [...] checked for vac leaks & [...] tested coolant sensor,throttle switch,cleaned throttle body,checked [...] & checked idle control valve.I can operate idle control valve with power probe & seems to work [...] checked signal to...
FIX posted 7/1/2008
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Message Closed w/FIX
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Related Documents & Media | VIN | WDBCA350XH |
| Engine | 4.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / BOSCH E CONT INJECTION |
| Emissions | CA EMISSIONS |
| Symptoms | Poor Idle Quality |
| Occurs | Idle |
Message Closed w/FIX
Vehicle Data
1987 Mercedes-Benz 420SEL
| VIN | WDBCA350XH |
| Engine | 4.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / BOSCH E CONT INJECTION |
| Emissions | CA EMISSIONS |
| Symptoms | Poor Idle Quality |
| Occurs | Idle |
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