VW Code 28526
28526 Description And Summary : |
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Diagnosing engine bar with nox trap, efficiency below threshold (bank 2) causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 11 (n307), electrical malfunction also exhaust gas temperature sensor, bank 2 sensor 5, circuit intermittent / erratic will delay your vw fault. |
28526 Possible Causes:
28526 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 28526 Code
- Inspect all the connections pressure control solenoid 3 (n217), 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