Damaged AIR system components
Faulty AIR Solenoid Valve
Faulty AIR system relay
Engine Light ON (or Service Engine Soon Warning Light)
Secondary Air Injection System Insufficient Flow Bank 2 is the generic description for the P0492 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P0492 Audi OBDII code.