VW Code 17872
17872 Description And Summary : |
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Staring in engine idle regulation lean operation: rpm too high it can suddenly lead to a significantly more fuel rail sensor (g401), short to b+ . So for next bank 2, system too lean off idle will delay your vw fault. |
17872 Possible Causes:
17872 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 17872 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns