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Home › Pontiac › 2001 › Aztek Base, FWD › Repair and Diagnosis › External Pages › Different car › Section 941 (Engine Controls - 8.1L (Introduction)) › Repair Instructions › Manifold Absolute Pressure (MAP) Sensor Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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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