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1999 Ford F-150 5.4L Poor Idle Quality, Misfire
TRUCK ORIGINALLY CAME IN FOR MISS FIRE. Found coolant in coil pack holes. Replaced intake manifold and tuned engine new plugs and two coil packs. still run rough at idle. ltft on bank 2 4to 5. Ltft on bank 1 in 23. Indcating lean condition. Check fuel pressure...
FIX posted 4/22/2010
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Related Documents & Media | VIN | 1FTRX17L6X |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Idle |
Message Closed
Vehicle Data
1999 Ford F-150
| VIN | 1FTRX17L6X |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Idle |
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