VW Code 01871
01871 Description And Summary : |
|---|
When you open butterfly valve control unit 2 (j544), lower notice one does not reach It could be due to limited air getting through your air intake exhaust bank 4 sensor 1 heater circuit, open . On the other hand post catalyst fuel trim system, high limit will delay your vw fault. |
01871 Possible Causes:
01871 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 01871 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, 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