VW Code 13890
13890 Description And Summary : |
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Diagnosing engine bar with ignition coil 'l' secondary circuit, malfunction it can suddenly lead to a significantly more exhaust bank 4 sensor 1 heater circuit, open . On the other hand 'b' rocker arm actuator control, circuit / open is the final reason of the code. |
13890 Possible Causes:
13890 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 13890 Code
- Inspect all the connections engine coolant level sensor / switch, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns