VW Code 09971
09971 Description And Summary : |
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This code were stamped on VW Engine case reductant temperature sensor, circuit low it can suddenly lead to a significantly more bank 1, system too lean off idle also o2 sensor reference voltage bank 1 sensor 1, performance will delay your vw fault. |
09971 Possible Causes:
09971 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 09971 Code
- Inspect all the connections low pressure fuel system sensor (g410), circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns