Saab 9-3 2003 SAI Emission / Smog Pump Secondary Air Injection Motor 12791286 12791957 P0410 Check Engine code

Saab 9-3 12791957 12791286  SAI electric pump   Up for sale is a good functional Saab 03 9-3 sport sedan SAI pump.  These units only came on 03 model year cars.  This pump runs for about 45 seconds when the car starts in order to accelerate the combustion process and speed the warm up of the cat converter. , If defective, you will notice no drivability problems, however you will get a check engine light, and a P0410 code, which will cause you to fail a state inspection.    These units very frequently fail on 03 9-3's, and it's not a fault of the pump itself.  The pumps are quite reliable, however there is a metal check valve that keeps condensate and exhaust gas OUT of this pump under normal operating conditions.  When this check valve fails (located on the top of your engine, Saab part number 12791285), this pump gets full of water from exhaust condensate and then fails in short order after this.  A good used pump (from me!) will save you a bunch of money on this repair, as it's the m