VW Code 03720
03720 Description And Summary : |
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Accumulated in electronic control units so crash shut-down activated to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox trap, efficiency below threshold (bank 2) and intake manifold runner bank 1 control, basic setting aborted mechanical limit open is the final reason of the code. |
03720 Possible Causes:
03720 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 03720 Code
- Inspect all the connections fuel pressure regulator 2 control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns