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Home >> Chevrolet >> 2004 >> Optra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.4L DOHC - Repair Instructions >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Manifold Absolute Pressure Sensor
    GM1348510Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the vacuum hose from the manifold absolute pressure (MAP) sensor.
  3. Disconnect the MAP connector.
  4. Remove the MAP sensor mounting bracket bolt.
  5. Remove the bolts and nuts securing the MAP sensor to the mounting bracket.
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