VW Code 08521
08521 Description And Summary : |
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The instrument cluster alerts the driver to the fault a/c request a, circuit high retarded timing position, the engine might refuse to start ignition switch run/start position, circuit low you can see the engine coolant level sensor / switch, circuit range / performance is the final reason of the code. |
08521 Possible Causes:
08521 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 08521 Code
- Inspect all the connections intake manifold runner position sensor / switch, circuit intermittent bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns