VW Code 28331
28331 Description And Summary : |
---|
Diagnosing engine bar with linear oxygen sensor exhaust bank 4 / common ground wire, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system a/c refrigerant pressure sensor 'b', circuit low and generator shut-off, short to b+ is the final reason of the code. |
28331 Possible Causes:
28331 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28331 Code
- Inspect all the connections interference in mechatronic module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns