Buy 2001 Audi A6 2.7L V6 M/T Quattro Base Sedan Secondary Air Injection Pump Check Valve. 2.7 LITER - OEM Audi Part # 078131101AB (078-131-101-AB, 078131101P)

EGR Valve. Secondary Air Injection Pump Check Valve.
Combi Valve. Secondary Air Injection Pump Check Valve.

Secondary Air Injection Pump Check Valve

Fits A6, allroad

2.7 LITER, combi. 2.7 LITER, combination. Allroad; 2.7L; 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 2001 Audi A6 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.