P2138 Diagnostic Trouble Code Discussion for November 2009
Accelerator Position Sensor 1-2 Correlation
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| Help Request | Posted | |
| 2007 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E77 P2138: accelerator pedal position correlation implausible. LADIES AND GENTLEMEN: AUDI TECHS PLEASE HELP. HAVE CHECKED VOLTAGES AT PEDAL SENSOR (G79) AND (G185) AND ALL ARE 4.96 VOLTS. I have also hooked vantage up to graph pedal sensor output on pin 4 & 6. Voltage at rest is .71 on sensor 1 (yellow blue terminal 4... |
November 30, 2009 |
