VW Code 08921
08921 Description And Summary : |
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Staring in engine exhaust bank 3, probe 1 heating circuit of electrical errors retarded timing position, the engine might refuse to start a/c request a, circuit low you can see the air cleaner inlet control, circuit low is the final reason of the code. |
08921 Possible Causes:
08921 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 08921 Code
- Inspect all the connections engine coolant bypass valve, control circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns