P0011moderate severityPowertrain
Intake Camshaft Position Timing Over-Advanced Bank 1
on 2012 BMW 750i 4.4L V8 Twin-Turbo N63 · RWD
What this code means
The intake camshaft timing for Bank 1 is more advanced than the PCM commanded. This is often caused by a stuck VVT solenoid or sludge in the oil passages.
Symptoms
- Check Engine Light
- Rough idle
- Poor fuel economy
- Engine stalling
- Rattling noise
Common causes
- Dirty engine oil/sludge
- Stuck VVT solenoid
- Camshaft phaser worn
- Oil passage blockage
- Timing chain stretched
Diagnostic steps
- Check oil level and condition
- Perform oil pressure test
- Inspect VVT solenoid screen for debris
- Monitor camshaft position with scan tool
- Check timing chain condition
Repair notes
Perform oil change if dirty. Replace VVT solenoid. If phaser is worn, replace camshaft phaser assembly.
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29CC
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Misfire Cylinder 5
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Misfire Cylinder 6
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Misfire Cylinder 7
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