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P0354 Diagnostic Trouble Code Discussion for April 2010

Ignition Coil 4 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0354
Help Request Posted
2003 Ford F-150 XL 4.6L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FTRX17W83
P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. ... with a truck here in my shop. Truck came in with a misfire on Cyl# 1-4, also had a P0354. all plugs were changed, along with both coils on 1-4. Misfire was still present. Pulled plugs 1-4 and found them to be gas soaked, ne...
April 08, 2010