VW Code 09521
09521 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 3 / common ground wire, short to ground retarded timing position, the engine might refuse to start throttle/fuel inhibit, circuit . On the other hand radiator exhaust control 1, short-circuit after mass will delay your vw fault. |
09521 Possible Causes:
09521 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 09521 Code
- Inspect all the connections ignition coil 'd' primary control, 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