Cold Start B Camshaft Position Timing Performance Bank 1

Check these first

• A slow camshaft position sensor on bank 1
• Camshaft timing off on bank 1
• A VVT solenoid that reacts late
• Low oil pressure on a cold start
• A stretched timing chain

What to do next

1. Monitor bank 1 cam timing on a scan tool during a cold start
2. Check the oil level and pressure
3. Test the camshaft position sensor
4. Test the bank 1 VVT solenoid
5. Inspect the timing chain on bank 1
6. Clear the code and retest

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