Secondary Air Injection Pump. Smog Pump.
An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the vehicle's exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe. Combi Valve. From Chassis/VIN 3B-YE250 001. From Chassis/VIN 3B-YP210 001. From Chassis/VIN 3BY250001. From Chassis/VIN 4DY120001. From Chassis/VIN 8DY100001.

Secondary Air Injection Pump

Fits A4, A6, A8, Q7, TT

Air Injection System Air Pump - Repair or Replace
A failed air injection pump or secondary air pump will often have no noticeable symptoms beyond a check engine light, but it does cause your 2012 Audi A6 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.