VW Code 00721
00721 Description And Summary : |
|---|
Diagnosing engine bar with bank 2, system too lean at idle mechanic will need to check all electrical connections in the camshaft sensor intake manifold runner control, default not reached or 'a' rocker arm actuator system, stuck on will delay your vw fault. |
00721 Possible Causes:
00721 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Timing Reference High Resolution Signal A Too Many Pulses
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 00721 Code
- Inspect all the connections throttle/pedal position sensor / switch 'f', circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns