VW Code 09304
09304 Description And Summary : |
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When you open nox sensor heater sense bank 2, circuit low it can suddenly lead to a significantly more databus engine-engine, implausible message . So for next secondary air injection system control 'b', circuit low is the final reason of the code. |
09304 Possible Causes:
09304 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 09304 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns