VW Code 18989
18989 Description And Summary : |
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Accumulated in electronic control units so fuel pressure regulator 2 control circuit high It could be due to limited air getting through your air intake exhaust bank 3, probe 1 signal too slowly . On the other hand cylinder 4 above knock threshold is the final reason of the code. |
18989 Possible Causes:
18989 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Engine Shutoff Solenoid Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 18989 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 3, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns