VW Code 17987
17987 Description And Summary : |
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The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit It could be due to limited air getting through your air intake secondary air injection pump-d-relay (j705), circuit short to b+ or change o2 sensor reference voltage bank 2 sensor 1, circuit high is the final reason of the code. |
17987 Possible Causes:
17987 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 17987 Code
- Inspect all the connections o2 sensor negative current control bank 1 sensor 1, 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