P0011 What does it mean?
Can you drive, what causes it and how it shows.
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Common codes
P0011
"A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
The bank 1 intake camshaft is more advanced than commanded, or the actuator does not respond as expected. Often caused by stuck-open oil control valves, sludge in VVT passages, or low oil pressure.
Can you drive?
“You can drive, but see a mechanic soon”. This code turns on the check light. Better have it checked soon.
9,533trouble codes explained in plain words, free.
What causes it
The most likely cause comes first. Some you can fix yourself.
- 1Oil control valve stuck (advance position)
- 2Sludge or debris in VVT oil passages
- 3Low engine oil pressure or wrong oil viscosity
How it shows
Usually it shows like this.
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
In the app
Partly freeExplaining a trouble code is free: 9,533 codes, offline. With an adapter the app reads the code itself and tells you whether you can drive. A sample scan is free; unlimited scans come with VINARI+.
Common questions
What does P0011 mean?
P0011: "A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1). The bank 1 intake camshaft is more advanced than commanded, or the actuator does not respond as expected. Often caused by stuck-open oil control valves, sludge in VVT passages, or low oil pressure.
Can I drive with P0011?
“You can drive, but see a mechanic soon”. This code turns on the check light. Better have it checked soon.
What causes P0011?
Most often: Oil control valve stuck (advance position), Sludge or debris in VVT oil passages, Low engine oil pressure or wrong oil viscosity.
How do I find out which code my car has?
Plug an ELM327 OBD adapter into the OBD-II port under the steering wheel and tap “Scan” in VINARI. The app reads the code, explains it and tells you whether you can drive.
Do I still need a mechanic?
Yes. The app tells you what is going on and how urgent it is; the final word belongs to the mechanic.
Other topics
Source: OBDex (CC0), VINARIUpdated 2 November 2026
