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Home >> Chevrolet >> 2004 >> Optra Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Repair Instructions >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Manifold Absolute Pressure (MAP) Sensor And Retaining Bolt
    GM1256161Courtesy of GENERAL MOTORS CORP.
  1. Connect the MAP sensor connector to the MAP sensor.
  2. Install the MAP sensor into the intake manifold.
  3. NOTE: Refer to Fastener Notice .
  4. Install the MAP sensor retaining bolt.

    Tighten:  Tighten the MAP sensor retaining bolt to 4 N.m (35 lb in)  .

  5. Connect the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement .
  6. Connect the negative battery cable.