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P0623 Diagnostic Trouble Code Discussion for January 2012

Generator Lamp Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0623
Help Request Posted
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 1FTSW31P94
Replaced A/C Compressor. F-350 ran fine after repairs were preformed. Ran for one hour as normal. Truck was moved out of the shop and when placed into drive became hesitent and produced a bad idle, runs as if it has a Big Boy Cam from the muscle car days. Repl...
January 21, 2012