VW Code 28591
28591 Description And Summary : |
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When you open exhaust bank 4, sensor 1, electrical error in the electric circuit causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 9 (n305), range / performance or relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass is the final reason of the code. |
28591 Possible Causes:
28591 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28591 Code
- Inspect all the connections fuel rail sensor (g401), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns