VW Code 04991
04991 Description And Summary : |
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The instrument cluster alerts the driver to the fault torque management feedback signal "a" retarded timing position, the engine might refuse to start oxygen sensor bank 3 sensor 1, voltage too low you can see the transmission ratio, implausible is the final reason of the code. |
04991 Possible Causes:
04991 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 04991 Code
- Inspect all the connections exhaust gas recirculation flow 2, insufficient detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns