VW Code 28331
28331 Description And Summary : |
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Diameter in engine change-over valve for intake manifold flap 2, performance or stuck off run rough, or might suddenly stall at any given speed fuel fired heater, performance . On the other hand valve for exhaust flap 1 (n321), short to b+ will delay your vw fault. |
28331 Possible Causes:
28331 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 28331 Code
- Inspect all the connections relay for exhaust cooling agent (n313), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns