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Home >> Pontiac >> 2004 >> GTO Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls -- 5.7L -- (Introduction) >> Repair Instructions >> Mass Air Flow (MAF) Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Disconnect the MAF sensor (2) wiring harness connector.
    Fig 1: Locating MAF & IAT Sensors
    GM1372118Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the IAT sensor (3) wiring harness connector.
  3. Loosen the clamp on air duct adaptor closest to the air cleaner upper housing (1).
  4. Loosen the clamp on the intake air duct at the MAF sensor (2) and pull back the intake air duct to clear the sensor
    5. IMPORTANT: The air duct adaptor (between air cleaner and MAF sensor), retaining clamps, air duct and MAF sensor, all have locating notches.
  5. Remove the MAF sensor (2).
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