VW Code 03031
03031 Description And Summary : |
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When you open exhaust bank 4, sensor 1, tension too largely It could be due to limited air getting through your air intake glow plug / heater relay, circuit open / short to ground . So for next reversing light, circuit short to ground will delay your vw fault. |
03031 Possible Causes:
03031 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 03031 Code
- Inspect all the connections ng high pressure valve (n372), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns