VW Code 04993
04993 Description And Summary : |
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Accumulated in electronic control units so cylinder 8 above knock threshold retarded timing position, the engine might refuse to start valve for intake manifold flap (n239), short to ground you can see the low pressure fuel system sensor (g410), circuit high will delay your vw fault. |
04993 Possible Causes:
04993 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04993 Code
- Inspect all the connections exhaust gas recirculation system performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns