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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 8.1 G, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L (Introduction) >> Repair Instructions >> Manifold Absolute Pressure (MAP) Sensor Replacement >> Removal Procedure

Removal Procedure

  1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical - 8.1L.
  2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
    Fig 1: View Of Ignition Coil, ECT And MAP Sensor Electrical Connectors
    GM750529Courtesy of GENERAL MOTORS CORP.
    3. Fig 2: MAP Sensor And Mounting Bolt
    GM858207Courtesy of GENERAL MOTORS CORP.
  3. Remove the MAP sensor bolt.
  4. Remove the MAP sensor.
  5. Inspect the MAP sensor seal for wear or damage, replace as necessary.
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