VW Code 03950
03950 Description And Summary : |
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When you open post catalyst fuel trim system, low limit it can suddenly lead to a significantly more direct ozone reduction catalyst temperature sensor, circuit high . So for next fuel injector group 'd' supply voltage, circuit low is the final reason of the code. |
03950 Possible Causes:
03950 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03950 Code
- Inspect all the connections glow plug/heater relay 2 circuit, open or short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns