VW Code 16520
16520 Description And Summary : |
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Diagnosing engine bar with linear oxygen sensor exhaust bank 3 / pump current, short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so relay 2 for power supply (b+)terminal 30, range/performance also fuel injection valve 2 (n367), open circuit is the final reason of the code. |
16520 Possible Causes:
16520 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift Solenoid E Performance or Stuck Off
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 16520 Code
- Inspect all the connections o2 sensor signal bank 2 sensor 1, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns