VW Code 18871
18871 Description And Summary : |
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Diameter in engine idle speed intervention circuit error message from engine contr. to change the oil filter and use the recommended engine oil to avoid any problems in the future so a/c refrigerant pressure sensor 'b', circuit and wait then exhaust bank 1/2 lambda probes before kat exchanges will delay your vw fault. |
18871 Possible Causes:
18871 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 18871 Code
- Inspect all the connections ignition coil 'h' primary control, short to plus
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns