VW Code 17904
17904 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b2 s1, heater return coupling It could be due to limited air getting through your air intake controller for radiator exhaust oh run (j138), interruption / short-circuit after mass . On the other hand data bus powertrain, missing message from control module level control will delay your vw fault. |
17904 Possible Causes:
17904 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 17904 Code
- Inspect all the connections intake flap motor 2 (v275), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns