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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System 3.4L (Introduction)) >> Repair Instructions >> Mass Air Flow (MAF) Sensor Replacement >> Removal Procedure
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Removal Procedure

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  1. Remove the positive crankcase ventilation (PCV) valve tube (4) from the air cleaner intake duct.
  2. Disconnect the intake air temperature (IAT) sensor electrical connector (3).
  3. Disconnect the mass air flow (MAF) sensor electrical connector (5).
  4. Loosen the clamps (2,6) and remove the air cleaner intake duct with the MAF sensor from the throttle body and the air cleaner housing cover (8).
  5. Loosen the clamp and remove the MAF sensor from the air cleaner intake duct.
    6. Fig 1: Removing MAF Sensor
    GM811623Courtesy of GENERAL MOTORS CORP.
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