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2003 Ford F-150 XL 4.6L Poor Idle Quality, Misfire, MIL Lamp on
Truck misfires intermittently, neither engine temp nor run time seem to affect the condition. Normally occurs worst at around 1800 RPM's (45 MPH). I tried swapping the coilpacks between #8 & #5 condition remained the same. Then swapped the plugs #8 & #5, same ...
FIX posted 5/28/2010
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Message Closed w/FIX
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15 Replies Received
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Related Documents & Media | VIN | 1FTRX18W13 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0308 | Cylinder 8 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Ford F-150 XL
| VIN | 1FTRX18W13 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0308 | Cylinder 8 Misfire Detected |
Video