P0410 error check engine - Secondary Air Injection Malfunction

[LPLewis]

S4 B8 manual 2012, 106k miles

Check engine light came on. Scanned and got code P0410

Flashed stage 1 EPL last week and temperatures droped to -5 overnight. Nothing else was changed on the vehicle.

Any suggestions?

Thanks!

[DarrenOman]

I just had the same thing. The flex pipe from the SAI pump to the block had come loose. The pump is on the Passenger side just behind the fog light.
Good luck

Sent from my SM-G970U using Tapatalk

[Slenderjim]

There's a bunch of threads on this. Could 1/75 things, luckily none effect the cars performance.