VW Code 02986
02986 Description And Summary : |
|---|
The problem is about secondary air injection system air flow/pressure sensor bank 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 4 sensor 1 heater circuit, short to b+ . So for next reductant injection valve bank 1 unit 1, circuit low is the final reason of the code. |
02986 Possible Causes:
02986 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 02986 Code
- Inspect all the connections fuel injection valve 1 (n366), short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns