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P0357 Diagnostic Trouble Code Discussion for November 2009

Ignition Coil 7 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0357
Help Request Posted
1999 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on VIN: 1FTRX18L8X
P0357: Ignition COP 7 Primary/Secondary Circuit Malfunction. 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...
November 12, 2009