Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Manifold Pressure/Vacuum Sensor: Service and Repair
2006 Chevrolet HHR L4-2.2LSECTION Service and Repair
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the throttle body.
2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
3. Remove the MAP sensor.
4. Inspect the seal for damage.
IMPORTANT: If the MAP sensor seal is damaged, the MAP sensor must be replaced.
INSTALLATION PROCEDURE
1. Install the NEW MAP sensor seal, if required.
2. Install the MAP sensor.
3. Connect the MAP sensor electrical connector.
4. Install the throttle body.
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.