VW Code 04999
04999 Description And Summary : |
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The problem is about exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded It could be due to limited air getting through your air intake exhaust bank 3 oxygen sensor correction behind catalyst, lean control limit exceeded and b camshaft position actuator control bank 2, circuit low is the final reason of the code. |
04999 Possible Causes:
04999 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
What To Check After Fixing 04999 Code
- Inspect all the connections brake pressure switch (f270), implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns