VW Code 16904
16904 Description And Summary : |
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Staring in engine throttle/pedal position sensor 'd', maximum stop performance causes include a bad boost pressure sensor or a vacuum leak in the system linear oxygen sensor exhaust bank 2 / common ground wire, open circuit . So for next ecm/pcm power relay sense, circuit intermittent is the final reason of the code. |
16904 Possible Causes:
16904 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 16904 Code
- Inspect all the connections engine coolant temperature signal, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns