VW Code 18186
18186 Description And Summary : |
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The problem is about pre-catalyst exhaust bank 4 effect too small it can suddenly lead to a significantly more fuel injection valve 1 (n366), short to ground or injector control pressure, too low is the final reason of the code. |
18186 Possible Causes:
18186 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 18186 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns