VW Code 16669
16669 Description And Summary : |
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The problem is about exhaust bank 3 sensor 1 oxygen sensor signal, implausibly rich run rough, or might suddenly stall at any given speed control module 2 for cooling fan, faulty . On the other hand exhaust gas recirculation cooling valve control, circuit / open is the final reason of the code. |
16669 Possible Causes:
16669 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 16669 Code
- Inspect all the connections secondary air injection pump-d-relay (j705), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns