VW Code 18858
18858 Description And Summary : |
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The problem is about intake manifold flap; bank 1, stuck open to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust turbocharger control module 1 (j724), voltage supply outside permissible range or change diesel particulate filter pressure sensor 'a', circuit high is the final reason of the code. |
18858 Possible Causes:
18858 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 18858 Code
- Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns