VW Code 18661
18661 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 4 sensor 1 heater circuit, open to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle/fuel inhibit, circuit range / performance also water in fuel sensor, circuit low will delay your vw fault. |
18661 Possible Causes:
18661 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 18661 Code
- Inspect all the connections event data recorder request, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns