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1988 Mercury Grand Marquis GS 5.0L Poor Idle Quality, Misfire
Under light acceleration and in 3rd or overdrive vehicle seems to shudder or misfire. runs fine on hard acceleration. Feels like torque converter shudder. Trans has been rebuilt and converter replaced. Trans shop says it is a misfire. Entire ignition syste...
FIX posted 11/20/1999
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| VIN | 2MEBM74F4J |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US Fed emissions |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Under Load, on Accel |
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Vehicle Data
1988 Mercury Grand Marquis GS
| VIN | 2MEBM74F4J |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US Fed emissions |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Under Load, on Accel |
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