Cold Start A Camshaft Position Timing Over-Retarded Bank 2

Check these first

• A bad camshaft position sensor on bank 2
• A crankshaft position sensor that reads wrong
• A camshaft actuator that will not hold position
• Sludge blocking oil flow to the bank 2 phaser
• A worn timing chain on bank 2

What to do next

1. Compare cam and crank signals on a scan tool
2. Check oil pressure and look for sludge
3. Test the bank 2 camshaft actuator
4. Inspect the bank 2 timing chain and marks
5. Clean the oil passages if flow is low
6. Clear the code and retest

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