VW Code 18120
18120 Description And Summary : |
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Staring in engine valve 2 for load pressure control (n274), interruption/short-circuit after mass causes include a bad boost pressure sensor or a vacuum leak in the system activation, intake manifold runner bank 1 control, range / performance . So for next nox sensor heater sense bank 2, circuit is the final reason of the code. |
18120 Possible Causes:
18120 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 18120 Code
- Inspect all the connections fuel pump "a", low flow / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns