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P1393 Diagnostic Trouble Code Discussion for May 2010

Acceleration 'G' Sensor Circuit High Input

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Trouble Ticket Help Requests for DTC P1393
Help Request Posted
1999 Ford F-250 Super Duty XLT 7.3L MIL Lamp on VIN: 1FTNX20F1X
P1393: Glow Plug Circuit Low Input On Bank 2 (Left Side). Vehicle does not appear to have a glow plug problem. I see it as the PCM not recognizing GPR energizing both side GP's. Computer appears to work the GPR properly, it energizes GPR when EOT is less than 131 degree. In AM or when completely cold the GPR stays en...
May 11, 2010