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P0683 Diagnostic Trouble Code Discussion for July 2006

Glow Plug Control Module Diagnostic Communication Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0683
Help Request Posted
2004 Ford F-450 Super Duty XL 6.0L poor accel VIN: 1FDXF46P94
P0683: Glow Plug Control Module Diagnostic Communication Circuit Malfunction. this truck starts right up cold but will hardly accelerate maybe to 1000 rpms untill about 5 min of running,engine runs rough at this time.the engine will then smooth out & will accel modestly up to about 2500 rpm in park on the floor.if the truck is then ...
July 27, 2006