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Home >> Infiniti >> 2012 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> DTC P0127: IAT Sensor >> Diagnosis Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnosis Procedure

  1. CHECK INTAKE AIR TEMPERATURE SENSOR

    Refer to "COMPONENT INSPECTION (INTAKE AIR TEMPERATURE SENSOR) ".

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Replace mass air flow sensor (with intake air temperature sensor).

  2. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    : INSPECTION END

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