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P0093 Diagnostic Trouble Code Discussion for March 2008

Accelerator Pedal Position Sensor 5-Volt Supply Circuit

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Trouble Ticket Help Requests for DTC P0093
Help Request Posted
2001 GMC Sierra 2500 HD SL 6.6L Cuts out, MIL Lamp on VIN: 1GTHK29171
P0093: large fuel leak detected. This truck has bounced from shop to shop. GM dealers will not help customer so he came to me. It will go into limp mode under acceleration when it shifts into higher gears. I have watched actual and requested fuel rail pressure with my OTC Genysis. I don't see...
March 28, 2008