P0011
Medium SeverityIntake Camshaft Position Timing Over-Advanced (Bank 1)
Engine System
What Does P0011 Mean?
The intake camshaft on bank 1 is more advanced than the ECM commanded. This typically means the VVT system is stuck or the oil flow is restricted. Often caused by dirty oil or a stuck VVT solenoid.
Common Fix
Oil change and VVT solenoid replacement
Estimated Cost (DIY)
$30 - $150
Symptoms
- ⚠️Rough idle
- ⚠️Poor fuel economy
- ⚠️Engine stalling
- ⚠️Hard starting
Common Causes
Dirty or low engine oillikely
Stuck VVT solenoidlikely
Stretched timing chainpossible
Clogged oil passagespossible
How to Diagnose P0011
- 1Check oil level and condition — change if overdue
- 2Inspect VVT solenoid for sludge
- 3Check timing chain tension
- 4Scan for related codes
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Frequently Asked Questions
- Is P0011 serious?
- P0011 is moderately serious. If caused by low oil, fix immediately to prevent engine damage. A stuck solenoid should be replaced within a week.
- Can an oil change fix P0011?
- Yes, in many cases a fresh oil change clears P0011 if the cause was dirty or low oil restricting the VVT system.