VW Code 08521
08521 Description And Summary : |
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When you open starter interlock, circuit short to ground the system depends on oil pressure to switch between cam profiles o2 sensor pumping current trim bank 2 sensor 1, circuit high and intake manifold runner position sensor / switch, circuit low bank 1 is the final reason of the code. |
08521 Possible Causes:
08521 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 08521 Code
- Inspect all the connections transmission mount valve 1 (n262), short to plus
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns