please help my car is crazy?

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This machine that was hooked to my car by orielly's car parts said secondary air injection system malfunction?
This machine that was hooked to my car by orielly's car parts said secondary air injection system malfunction?
This machine that was hooked to my car by orielly's car parts said secondary air injection system malfunction? what does that mean? My car quits while I am going down the road. Its a 2001 olds aurora. The security light comes on and then the car starts jerking, the RPM"S and other gages start going back and forth like crazy,then it quits and I put it in neutral and it always starts back on like the second try. Also sometimes when I go to start my car I turn my key over and nothing at all happens. After about the 4th turn it will start. What do you think that that could be? ANY ideas PLEASE Does the secondary air injection system even have any thing to do with it quiting and acting crazy?
Jlw6710@yahoo.com