P0021moderate severityPowertrain
Intake Camshaft Position Timing Over-Advanced Bank 2
on 2001 BMW 540iT E39 4.4L V8 M62 Touring · RWD
What this code means
The intake camshaft timing for Bank 2 is more advanced than commanded.
Symptoms
- Check Engine Light
- Rough idle
- Poor fuel economy
- Stalling
Common causes
- Dirty oil/sludge
- Stuck VVT solenoid
- Worn phaser
- Oil passage blockage
Diagnostic steps
- Check oil condition
- Test VVT solenoid
- Monitor cam position
- Check timing chain
Repair notes
Service VVT system Bank 2.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1