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P2123 Diagnostic Trouble Code Discussion for January 2008

Accelerator Pedal Position Sensor 1 Circuit High

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Trouble Ticket Help Requests for DTC P2123
Help Request Posted
2004 Chevrolet Trailblazer LS 4.2L sputters VIN: 1GNDT13S14
P2123: Accelerator Pedal Position Sensor 1 Circuit High Voltage. ... trailblazer i have this car here that is giving me problems need help. i get a consistent p2135 and p2138 that keep returning on this thing i've ohm out all the wires to my app sensor th...
January 24, 2008