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P1277 Diagnostic Trouble Code Discussion for March 2009

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 Lariat 7.3L Poor Idle Quality, Surge, Cuts out VIN: 1FTNX21F61
P1277: Cylinder 7 - High To Low Side Open Detected. ... codes p1316,p1262,p1272,p1277, firt i disconnected the connectors at valve covers and found oil in them, so replaced valve cover gaskets and hardness to the injectors and glow plugs, truck ran ...
March 04, 2009