P0021moderate severityPowertrain
Intake Camshaft Position Timing Over-Advanced Bank 2
on 2003 Porsche Cayenne 4.5L V8 (Cayenne S, 340 hp) · AWD
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
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1