VW Code 18674
18674 Description And Summary : |
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Diagnosing engine bar with hydraulic actuator valve (n331), electrical malfunction it can suddenly lead to a significantly more secondary air injection system switching valve bank 1, stuck open also fuel injector group 'd' supply voltage, circuit / open will delay your vw fault. |
18674 Possible Causes:
18674 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Clutch Position Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 18674 Code
- Inspect all the connections malfunction indication light (k83), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns