Audi A4 Secondary Air Pump. The Powertrain Control Module grounds the Air pump relay control circuit which energizes the Air pumpThe PCM also grounds the Air combination valve vacuum control solenoid circuit which energizes the Air vacuum control solenoid. Vacuum is then applied to both Air combination valve diaphragms which.
Genuine Audi Part - 078906601M. VW Audi Secondary Air Pump Smog TT A4 A6 Golf Jetta Beetle Passat OEM 06A959253B. Ships from Jim Ellis Audi Parts Atlanta GA.
Secondary Air Injection Pump Right.
Secondary Air Injection Pump Right. Genuine Audi Part - 078906601M. VW Audi Secondary Air Pump Smog TT A4 A6 Golf Jetta Beetle Passat OEM 06A959253B. So went to get my smog checked a few weeks ago and failed with a P0410 code.