VW Code 18374
18374 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection valve 4 (n385), circuit open circuit causes include a bad boost pressure sensor or a vacuum leak in the system vacuum reservoir pressure sensor, circuit range / performance or change secondary air injection system pump bank 2, stuck on is the final reason of the code. |
18374 Possible Causes:
18374 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 18374 Code
- Inspect all the connections engine oil temperature sensor (g8), 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