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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1225: Closed Throttle Position Learning Performance Problem >> Possible Cause
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Possible Cause

Malfunction is detected when closed throttle position learning value is excessively low. Possible cause is: defective TP sensor No. 1 and 2 (electric throttle control actuator).