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P2138 Diagnostic Trouble Code Discussion for January 2009

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2002 Volkswagen Jetta GLS 1.8L Surge, Poor Fuel Economy, MIL Lamp on VIN: 3VWSE69M82
P2138: check throttle position sensor. ... the check engine light. we found code p2138. we ran through the diagnostic flo chart which told us that if we had proper voltage to the sensor to replace the accelerator pedal position sensor (in other words the gas pedal assembly). we replaced the gas ped...
January 02, 2009