VW Code 28171
28171 Description And Summary : |
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Diagnosing engine bar with exhaust gas temperature sensor, bank 2 sensor 5, circuit / open it can suddenly lead to a significantly more direct ozone reduction catalyst deterioration sensor, circuit high also reductant injection air pressure sensor 'a', circuit high will delay your vw fault. |
28171 Possible Causes:
28171 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28171 Code
- Inspect all the connections turbocharger boost control position sensor, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns