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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1226: Closed Throttle Position Learning Performance Problem >> Possible Cause
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Possible Cause

malfunction is detected when closed throttle position learning is not performed successfully, repeatedly. Possible cause is a faulty electronic throttle control actuator.