VW Code 14991
14991 Description And Summary : |
|---|
The problem is about reductant injection valve bank 1 unit 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system torque management request input signal b, range / performance or change throttle position output, circuit low is the final reason of the code. |
14991 Possible Causes:
14991 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 14991 Code
- Inspect all the connections fuel injection valve 3 (n368), 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