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.
Possible Causes
- When Monitored:
First 20 seconds after startup, as long as the engine has been off for at least 1 hour and the Engine Coolant Temperature (ECT) has come down at least 7°C (18°F) and the vehicle is NOT driven over 3 kPH (2 MPH).
- Set Condition:
If the actual cam position for bank 2 is more than 7° advanced (angular variation) from its desired position for at least 4 seconds.
| POSSIBLE CAUSES |
|---|
| CAMSHAFT POSITION SENSOR WIRE HARNESS |
| TONE WHEEL/PULSE RING |
| CAMSHAFT POSITION SENSOR |
| TIMING CHAIN |
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.