VW Code 03172
03172 Description And Summary : |
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This code were stamped on VW Engine case valve for pump - jet: cylinder 9 (n305), circuit low input causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor, bank 2 sensor 4, circuit range / performance or change catalyst system exhaust bank 4, effectiveness too low is the final reason of the code. |
03172 Possible Causes:
03172 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 03172 Code
- Inspect all the connections power supply, voltage low voltage
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns