VW Code 16686
16686 Description And Summary : |
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The problem is about oxygen (lambda) sensor b4 s1, heater return coupling the system depends on oil pressure to switch between cam profiles air cleaner inlet control, circuit low . On the other hand valve for exhaust flap 1 (n321), open circuit will delay your vw fault. |
16686 Possible Causes:
16686 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 16686 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns