92 saab 900 turbo stumbles after 10 miles

Hello, what testing has been performed? What trouble codes are being stored by the engine's processor? That's a good first clue to start checking. Fuel pressure and delivery needs to be checked. Air intake and exhaust flow must be checked. Ignition spark. With the turbocharger, there is risk of getting poor performance -- due to various possible causes. This is where the trouble codes can help point the finger in the right direction. www.repairpal.com/repair-shops Check there for some shops near you!