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P1277 Diagnostic Trouble Code Discussion for January 2011

Accelerator Pedal Position Sensor 1 Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1277
Help Request Posted
2001 Ford F-250 Super Duty XLT 7.3L Poor Idle Quality, Cuts out, Misfire VIN: 1FTNX20F91
P1277: Cylinder 7 - High To Low Side Open Detected. Help ford tech's... This truck came to me from another shop who replaced the idm and both valve cover gaskets. Customer stated he wanted #7 and #1 injectors replaced because everything he had done prior pointed to them being the problem. I replaced them with n...
January 04, 2011