
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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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 |