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P0674 Diagnostic Trouble Code Discussion for April 2012

Glow Plug No. 4 Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0674
Help Request Posted
2006 Ford F-350 Super Duty XL 6.0L MIL Lamp on VIN: 1FDWF34P06
P0674: Glow Plug 4 Circuit Malfunction. The problem is the code for the #4 glow plug circuit, PO674, returns immediately at each start. We've replaced the module, the harness to the #4 side, and the glow plug. What are we missing? We origionally replaced the module 2 weeks ago and the problem was so...
April 23, 2012
2006 Ford F-350 Super Duty XL 6.0L MIL Lamp on VIN: 1FDWF34P06
P0674: Glow Plug 4 Circuit Malfunction. The problem is the code for the #4 glow plug circuit, PO674, returns immediately at each start. We've replaced the module, the harness to the #4 side, and the glow plug. What are we missing? We origionally replaced the module 2 weeks ago and the problem was so...
April 23, 2012