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1987 Ford F-150 Custom 4.9L Excessive Emissions, Misfire
Idling in park or nuetral it misses! #5 plug is soaked with [...] 145 lbs. of compression on all six cylinders! Put it in gear and it stumbles for couple of seconds then smooths out and runs near perfect! H C's come down from 2000 to 200 ppm. And it runs o...
FIX posted 6/1/1999
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| VIN | 1FTCF15Y9H |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | EEC IV |
| Symptoms | Excessive Emissions, Misfire |
| Occurs | On Decel, Idle, Only in Nuetral or Park Fine in Gear |
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Vehicle Data
1987 Ford F-150 Custom
| VIN | 1FTCF15Y9H |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | EEC IV |
| Symptoms | Excessive Emissions, Misfire |
| Occurs | On Decel, Idle, Only in Nuetral or Park Fine in Gear |
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