Well if the intake manifold says 2200 efi the that is the 5s. Does the motor stand straight up ( 4afe) or slant back towards the fire wall (5s-fe) Also you can look undr the hood and the info sticker and on the lower right corner i beleave it will tell you the engine code. 90-93 celica gt only came with the 4a or 5s engines. I have a gts which only came with the 5s. Where are you located at?