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.
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HOMESERVICE MANUALSCHEVROLET2009MALIBU V6-3.6LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSMANIFOLD PRESSURE/VACUUM SENSORSERVICE AND REPAIR
2009 Chevrolet Malibu V6-3.6L
Manifold Pressure/Vacuum Sensor: Service and Repair
2009 Chevrolet Malibu V6-3.6LSECTION Service and Repair
Manifold Absolute Pressure Sensor Replacement
Removal Procedure
1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
2. Disconnect the engine wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.
3. Remove the MAP sensor bolt and sensor.
Installation Procedure
1. Lubricate the MAP sensor O-ring seal with clean engine oil.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the MAP sensor and bolt and tighten the bolt to 10 Nm (89 lb in).
3. Connect the engine wiring harness electrical connector (1) to the MAP sensor.
4. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
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.