VW Code 03204
03204 Description And Summary : |
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Accumulated in electronic control units so oxygen sensor bank 3 sensor 1, voltage too low mechanic will need to check all electrical connections in the camshaft sensor glow plug / heater indicator (k29), circuit short to b+ or change intake manifold runner control, circuit high bank 2 is the final reason of the code. |
03204 Possible Causes:
03204 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 03204 Code
- Inspect all the connections fuel cap sensor / switch, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns