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P2138 Diagnostic Trouble Code Discussion for June 2012

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2005 Saab 9-3 Linear 2.0L Hesitation, MIL Lamp on VIN: YS3FB49S45
P2138: Pedal position senso correlation. ... code p2138. Scoped pedal position sensor at PCM every thing looked perfect. Read postings on IATN and Direct hit. Told customer best guess was pedal position sensor. Replaced sensor, cleared code and all was good for 2 days. Now vehicle is back with same c...
June 27, 2012