VW Code 08721
08721 Description And Summary : |
|---|
Accumulated in electronic control units so exhaust bank 4, sensor 1, no activity mechanic will need to check all electrical connections in the camshaft sensor torque management feedback signal "a", range / performance and wait then friction too high, exhaust cam adjustment bank 2 will delay your vw fault. |
08721 Possible Causes:
08721 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 08721 Code
- Inspect all the connections exhaust bank 3 sensor 1, voltage too low or air leak
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns