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Home >> GMC >> 2004 >> Envoy RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L (Introduction) >> Repair Instructions >> Manifold Absolute Pressure (MAP) Sensor Replacement >> Removal Procedure
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Removal Procedure

  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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