
2004 Ford F-150 FX4 5.4L Misfire, MIL Lamp on, Pinging
Have fought this one for three weeks, please help. The truck runs fine until it shifts into overdrive at about 55 to 60 mph. Then it starts pinging, then starts missing, then the computer shuts off cylinder 4 injector. This obviously makes it miss badly and th...
FIX posted 5/1/2009
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Message Closed w/FIX
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VIN | 1FTPW14524 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp on, Pinging |
Occurs | Under Load |
Misc. | 3 Valve Engine |
Trouble Codes
P0304 | Cylinder 4 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2004 Ford F-150 FX4
VIN | 1FTPW14524 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp on, Pinging |
Occurs | Under Load |
Misc. | 3 Valve Engine |
Trouble Codes
P0304 | Cylinder 4 Misfire Detected |