VW Code 09666
09666 Description And Summary : |
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Diagnosing engine bar with reductant injection valve bank 1 unit 1, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for exhaust cooling agent (n313), short-circuit after pluses . On the other hand exhaust bank 3, probe 2 electrical error in the electric circuit is the final reason of the code. |
09666 Possible Causes:
09666 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 09666 Code
- Inspect all the connections exhaust gas temperature control circuit bank 3, out of range
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns