hello guys
i need some help ive got an 04 grand prix runs great entill you hit 70 mph then it just stalls out like its not running but it doesnt die give it a few seconds then it catches back up and runs again entill you start going a little faster again then same thing stalls out i cleaned the the maf and the throttle body didnt help with this problem it has 181k thousand miles gona change the fuel filter as it looks really old any other ideas?