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Home >> Buick >> 2005 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Mass Airflow (MAF) Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Turn OFF the ignition.
  2. Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement (L36) .
  3. Fig 1: Removing/Installing Mass Airflow (MAF) Sensor
    GM378168Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The mass airflow (MAF) sensor on this engine is attached to the throttle body assembly.
  4. Disconnect the MAF sensor electrical connector (8) from the MAF sensor (1).
  5. Remove the screws (9) that hold the MAF sensor to the throttle body.
  6. Remove the MAF sensor (1) from the throttle body.