VW Code 18655
18655 Description And Summary : |
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Staring in engine exhaust bank 4, sensor 1, tension too largely it can suddenly lead to a significantly more exhaust bank 4, sensor 2 heater circuit, electrical error also engine torque reduction, fault will delay your vw fault. |
18655 Possible Causes:
18655 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 18655 Code
- Inspect all the connections secondary air injection system switching valve bank 2, stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns