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P0354 Diagnostic Trouble Code Discussion for July 2014

Ignition Coil 4 Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0354
Help Request Posted
2005 Ford F-350 Super Duty XL 5.4L Poor Idle Quality, MIL Lamp on
P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. After installing plugs and cop's started truck and was running rough suspected problem with new aftermarket cop's so reinstalled the oem coils knowing they were good problem still exist. During repair had battery disconnected and ECM removed not sure if this w...
July 13, 2014
2005 Ford F-350 Super Duty XL 5.4L Poor Idle Quality, MIL Lamp on
P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. After installing plugs and cop's started truck and was running rough suspected problem with new aftermarket cop's so reinstalled the oem coils knowing they were good problem still exist. During repair had battery disconnected and ECM removed not sure if this w...
July 17, 2014