VW Code 03874
03874 Description And Summary : |
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Diagnosing engine bar with valve for exhaust flap 2 (n322), short to ground It could be due to limited air getting through your air intake performance malfunction in cooling system . So for next pressure control solenoid 2 (n216), electrical malfunction is the final reason of the code. |
03874 Possible Causes:
03874 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 03874 Code
- Inspect all the connections barometric pressure sensor 'a', circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns