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1987 Mercury Grand Marquis GS 5.0L Poor Idle Quality, Misfire
At idle and under load or light acceleration, vehicle exhibits what feels like a miss or fish-bite. Many parts have been thrown at the car as it has made the rounds between each tech at my shop. Fuel pressure and volume are good, secondary ignition parts are n...
FIX posted 7/11/1998
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Related Documents & Media 
| VIN | 2MEBM74F1H |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBDI |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always, Under Load, on Accel |
Message Closed w/FIX
Vehicle Data
1987 Mercury Grand Marquis GS
| VIN | 2MEBM74F1H |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBDI |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always, Under Load, on Accel |
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