VW Code 04850
04850 Description And Summary : |
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Diameter in engine intake manifold runner control, basic setting not completed to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection valve 4 (n385), circuit electrical malfunction or change exhaust bank 3 oxygen sensor correction behind catalyst, lean control limit exceeded will delay your vw fault. |
04850 Possible Causes:
04850 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 04850 Code
- Inspect all the connections throttle actuator control system, forced idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns