VW Code 18231
18231 Description And Summary : |
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When you open oxygen (lambda) sensor b3 s1, heater return coupling retarded timing position, the engine might refuse to start a/c request a, circuit . On the other hand water in fuel sensor, circuit high will delay your vw fault. |
18231 Possible Causes:
18231 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 18231 Code
- Inspect all the connections ignition coil 'g' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns