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Home >> Chevrolet >> 2009 >> Chevy Express G1500, Van Cargo, 4.3 X >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.3L - Introduction >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying Manifold Absolute Pressure Sensor Components
    GM1934568Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute pressure (MAP) sensor (7).
    3. Fig 2: View Of MAP Sensor & Bolt
    GM1876319Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not rotate or pry on the MAP sensor when removing. Damage to the MAP sensor or the intake manifold may result.
  3. Remove the MAP sensor bolt (1).
  4. Using a slight rocking motion while pulling straight up, remove the MAP sensor (2) from the upper intake manifold.
  5. Inspect the MAP sensor seal for damage, replace the seal if necessary.
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