VW Code 15994
15994 Description And Summary : |
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Staring in engine linear oxygen sensor exhaust bank 3, compensation wire pump current, open circuit it can suddenly lead to a significantly more exhaust bank 4, sensor 2, internal resistance too largely . On the other hand turbo/super charger wastegate solenoid c (n388), signal low is the final reason of the code. |
15994 Possible Causes:
15994 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 15994 Code
- Inspect all the connections intake manifold runner control, upper stop not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns