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.
Camshaft Position (CMP) Sensor (LS4)
2008 Pontiac Grand Prix BaseSECTION Camshaft Position (CMP) Sensor (LS4)
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Camshaft Position (CMP) Sensor (LS4)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 0.35 RD | 631 | 5-Volt Reference |
| B | 0.35 PK/BK | 632 | Low Reference |
| C | 0.35 BN/WH | 633 | CMP Sensor Signal |
Connector Part Information
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Terminal Part Information
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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.