Camaro, Firebird, 1999 - 2002

Manifold Absolute Pressure (MAP) Sensor

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Removal & Installation



5.7L
  1. Remove the engine sight shields, if equipped.
  2.  
  3. Remove the fuel rail assembly.
    NOTE
     Access to the MAP sensor is limited, but does not require the removal of the intake manifold.

  4.  
  5. Remove the PCV heat exchange cable fastener.
  6.  
  7. Remove the PCV hose from the throttle body and right bank port.
  8.  
  9. Release the PCV hose assembly from the mounting brackets.
  10.  
  11. Move the PCV hose assembly aside.
  12.  
  13. Disconnect the MAP sensor harness connector.
  14.  
  15. Pull the MAP sensor forward in order to release the sensor from the retainer.
  16.  
  17. Lift the MAP sensor upward.
  18.  

To install:

  1. Inspect the MAP sensor seal for damage. Replace the seal if necessary.
  2.  
  3. Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.
  4.  
  5. Install the MAP sensor. Push down the sensor in order to engage the sensor into the retainer.
  6.  
  7. Connect the MAP sensor harness connector.
  8.  
  9. Position the PCV hose assembly for reassembly.
  10.  
  11. Insert the PCV hose assembly to the mounting brackets.
  12.  
  13. Install the PCV hose to the right bank port and throttle body.
  14.  
  15. Install the PCV heat exchange cable fastener. Tighten the PCV heat exchange cable fastener to 12 Nm (106 inch lbs.).
  16.  
  17. Install the fuel rail.
  18.  
  19. Install the engine sight shields.

    Click image to see an enlarged view

    Fig.

  20.  

ATan or ORN/BLK407 or 469Low Reference
BLT GRN432MAP Sensor Signal
CGRY416 or 27045V Reference B

5.7L V8 Engine MAP Sensor Connector Pinout

 
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