VW Code 04986
04986 Description And Summary : |
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This code were stamped on VW Engine case intake manifold tuning (imt) valve position sensor / switch bank 1, circuit high retarded timing position, the engine might refuse to start throttle/pedal position sensor 'f', minimum stop performance you can see the nox sensor bank 1, circuit range / performance will delay your vw fault. |
04986 Possible Causes:
04986 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 04986 Code
- Inspect all the connections fuel mixture control adjustment range 3, lower limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns