VW Code 18390
18390 Description And Summary : |
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Diagnosing engine bar with 'b' rocker arm actuator system, stuck on to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for intake manifold flap (n239), short to ground and reductant temperature sensor, circuit high is the final reason of the code. |
18390 Possible Causes:
18390 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail/System Pressure - Too High
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 18390 Code
- Inspect all the connections throttle/fuel inhibit, 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