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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 119 (Engine Control System - 4.2L (Introduction)) >> Repair Instructions >> Manifold Absolute Pressure (MAP) Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn OFF the ignition.
    2. Fig 1: Disconnecting/Connecting MAP Sensor Electrical Connector
    GM732831Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
    3. Fig 2: View Of MAP Sensor & Retainer
    GM732839Courtesy of GENERAL MOTORS CORP.
  3. Press the retainer locking tabs inward, then pull the retainer (1) up to remove it.
  4. Remove the MAP sensor (2).
  5. Inspect the MAP sensor seal for damage, and replace as necessary.
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