Manifold Pressure/Vacuum Sensor: Service and Repair

2006 Chevrolet TrailBlazer 4WD V8-6.0L VIN HSECTION Service and Repair


MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REPLACEMENT

REMOVAL PROCEDURE




1. Remove the intake manifold sight shield.
2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (3).




3. Remove the MAP sensor retaining clip (2) from the intake manifold.
4. Remove the MAP sensor (1) from the intake manifold.

INSTALLATION PROCEDURE

IMPORTANT: Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.




1. Install the MAP sensor (1). Push the MAP sensor into the intake manifold.
2. Install the MAP sensor retainer (2) to the intake manifold.




3. Connect the MAP sensor electrical connector (3).
4. Install the intake manifold sight shield.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.