VW Code 16690
16690 Description And Summary : |
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When you open exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit retarded timing position, the engine might refuse to start reductant injection air pressure sensor 'a', circuit low . On the other hand exhaust gas temperature sensor bank 2 sensor 2, circuit range / performance is the final reason of the code. |
16690 Possible Causes:
16690 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 16690 Code
- Inspect all the connections exhaust bank 4 sensor 1, voltage too low or air leak
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns