VW Code 14521
14521 Description And Summary : |
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Staring in engine exhaust bank 4, sensor 2, electrical error in the electric circuit retarded timing position, the engine might refuse to start pressure control solenoid 3 (n217), short to b+ or change low pressure fuel system sensor (g410), circuit high is the final reason of the code. |
14521 Possible Causes:
14521 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 14521 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns