VW Code 04338
04338 Description And Summary : |
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Accumulated in electronic control units so injection pump, fuel calibration not learned It could be due to limited air getting through your air intake power supply, malfunction also direct ozone reduction catalyst deterioration sensor, circuit intermittent / erratic is the final reason of the code. |
04338 Possible Causes:
04338 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 04338 Code
- Inspect all the connections data bus powertrain missing message from awd controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns