Buy Audi S5 Secondary Air Injection Pump Check Valve. 4.2 LITER, ENGINE AREA. A5, S5; 4.2L; Left. Air - OEM Audi Part # 079131101AQ (079-131-101-AQ, 079131101AB, 079131101AL)

Combination Valve. EGR Valve. Secondary Air Injection Pump Check Valve.
Combi Valve. From 05/31/2010. Secondary Air Injection Pump Check Valve.

Secondary Air Injection Pump Check Valve

Fits S5 (2010 - 2012)

4.2 LITER, ENGINE AREA. A5, S5; 4.2L; Left.
Air Injection System Check Valve - Repair or Replace
A failed air injection solenoid or secondary air valve will often have no noticeable symptoms beyond a check engine light, but it does cause your Audi S5 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.