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Home >> GMC >> 2009 >> Envoy 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - Introduction >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of (MAP) Sensor & Screw
    GM1922215Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the MAP sensor seal with clean engine oil.
  2. Install the MAP sensor (2).
    3. CAUTION: Refer to Fastener Caution .
  3. Install the MAP sensor screw (1).

    Tighten:  Tighten the screw to 9 N.m (80 lb in).

    4. Fig 2: Locating (MAP) Sensor Electrical Connector
    GM1922202Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness electrical connector (1) to the MAP sensor.
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