VW Code 03790
03790 Description And Summary : |
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Accumulated in electronic control units so fuel supply heater, control circuit low causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor reference voltage bank 1 sensor 1, circuit / open also actuator supply voltage "b", circuit low is the final reason of the code. |
03790 Possible Causes:
03790 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03790 Code
- Inspect all the connections coolant circulation pump relay (j151), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns