VW Code 09303
09303 Description And Summary : |
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Accumulated in electronic control units so exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank mechanic will need to check all electrical connections in the camshaft sensor fuel injector group 'd' supply voltage, circuit low also secondary air injection valve 3 (n384), circuit short to ground is the final reason of the code. |
09303 Possible Causes:
09303 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 09303 Code
- Inspect all the connections exhaust bank 2 sensor 1 oxygen sensor signal, implausibly rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns