p0011
Moderate
Buick · SUVs
Camshaft Position Actuator Circuit (Intake Bank 1) - Timing Over-Advanced
Quick Answer
Error code P0011 on your Buick SUVs means: Camshaft Position Actuator Circuit (Intake Bank 1) - Timing Over-Advanced. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check engine oil level and condition
2
Perform full oil change
3
Inspect VVT solenoid operation
4
Check timing chain for stretch
5
Verify camshaft timing
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Synthetic engine oil
Oil filter
VVT solenoid
Timing tools
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