VW Code 02003
02003 Description And Summary : |
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The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 4 / common ground wire, open circuit It could be due to limited air getting through your air intake accelerator position sensor 2 (g185), signal too high and fuel pressure regulator 2 control circuit low is the final reason of the code. |
02003 Possible Causes:
02003 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 02003 Code
- Inspect all the connections fuel injector group 'c' supply voltage, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns