VW Code 08921
08921 Description And Summary : |
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This code were stamped on VW Engine case diesel particulate filter differential pressure too high bank 2 It could be due to limited air getting through your air intake coolant degassing valve, control circuit high . On the other hand glow plug / heater relay, circuit open / short to ground will delay your vw fault. |
08921 Possible Causes:
08921 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor B Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 08921 Code
- Inspect all the connections data bus powertrain, missing message for central electric controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns