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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P2138: Accelerator Pedal Position Sensor Circuit Range/Performance Problem >> Possible Causes
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Possible Causes

Malfunction is detected when incorrect voltage is sent to ECM compared with signals from APP sensor 1 and 2. Possible causes are: