VW Code 03704
03704 Description And Summary : |
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Accumulated in electronic control units so evaporative emissions (evap) fuel vapour temperature sensor, circuit intermittent causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor reference voltage bank 2 sensor 1, circuit high . So for next butterfly valve control unit 2 (j544), lower notice one does not reach will delay your vw fault. |
03704 Possible Causes:
03704 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Low Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 03704 Code
- Inspect all the connections valve for pump - jet, cylinder 1 (n240), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns