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 MANUALSMAZDA2009CX-9 FWD V6-3.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMCAMSHAFT POSITION SENSORSERVICE AND REPAIR
2009 Mazda CX-9 FWD V6-3.7L
Camshaft Position Sensor: Service and Repair
2009 Mazda CX-9 FWD V6-3.7LSECTION Service and Repair
CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZI-3.7]
1. Disconnect the negative battery cable.
2. Remove the battery.
3. Remove the following part for easier access.
- Remove the resonance chamber and air cleaner assy. Service and Repair
4. Disconnect the CMP sensor connector
5. Remove the CMP sensor.
NOTE:
- Lubricate the CMP O-ring seal with clean engine oil.
6. Install in the reverse order of removal.
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.