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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - Introduction >> Repair Instructions >> Mass Airflow Sensor with Intake Air Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying MAF/IAT Sensor
    GM1208107Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
    2. NOTE: The intake air temperature (IAT) sensor and the mass air flow (MAF) sensor are combined as one sensor.
  2. Disconnect the MAF/IAT sensor electrical connector (2).
  3. Loosen the air cleaner intake duct clamps.
  4. Remove the air cleaner intake duct from the air cleaner housing cover and the throttle body assembly.
  5. Remove the MAF/IAT sensor from the air cleaner intake duct.
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