VW Code 18072
18072 Description And Summary : |
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Diagnosing engine bar with nox sensor bank 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system please check coding of ecus in data bus powertrain . So for next butterfly valve control unit 2 (j544), lower notice one does not reach is the final reason of the code. |
18072 Possible Causes:
18072 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 18072 Code
- Inspect all the connections secondary air injection system pump bank 2, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns