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2003 Ford F-250 Super Duty Lariat 5.4L Hesitation, Misfire
This one is driving me crazy. Truck came in for misfire on acceleration and under load. Found cracked coils, replaced all coils and plugs. Truck will run fine until closed loop, soon as it switches it starts missing/hesitating. Replaced both upstream O2 sensor...
FIX posted 4/16/2015
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 1FTNX21L43 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire |
| Occurs | Hot |
Message Closed w/FIX
Vehicle Data
2003 Ford F-250 Super Duty Lariat
| VIN | 1FTNX21L43 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire |
| Occurs | Hot |
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