1999 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on
engine missfires when power braking in reverse only. to the point of blowing the 30 amp fuse to the ignition and vehicle dies. will not missfire in forward. I have been looking for a chafed wire with no success. hoping someone has seen this before. alldata doe...
FIX posted 11/26/2009
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Message Closed w/FIX
Vehicle Data1999 Ford F-150 Lariat
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Ford F-150 Lariat
VIN | 1FTRX18L8X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Under Load |
Trouble Codes
P0307 | Cylinder 7 Misfire Detected |
P0357 | Ignition Coil 7 Primary Circuit Malfunction |