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 MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS AND FUEL - 3.8L - INTRODUCTION (2 OF 2)REPAIR INSTRUCTIONSMASS AIRFLOW SENSOR/INTAKE AIR TEMPERATURE SENSOR REPLACEMENTREMOVAL PROCEDURE
2008 Pontiac Grand Prix Base
Removal Procedure
2008 Pontiac Grand Prix BaseSECTION Removal Procedure
- Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
- Disconnect the MAF/IAT sensor electrical connector (2).
- Loosen the air cleaner intake duct clamps.
- Remove the air cleaner intake duct from the air cleaner housing cover and the throttle body assembly.
- Remove the MAF/IAT sensor from the air cleaner intake duct.
IMPORTANT:
The intake air temperature (IAT) sensor and the mass air flow (MAF) sensor are combined as one sensor.
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.