The 2000 GTX DI that I have starts right up then dies after 10 seconds or so. I pretty sure it's fuel related. When I put a gauge just on the tank outlet it gets pegged out well over 100lbs just by putting the lanyard on. Is there a regulator in the tank or is it in the fuel rail? When I put a tee instead of the inline filter it reads 75lbs. I took the rail off and am cleaning it now and maybe check the tank pickup. Can I check the air pressure with a engine compression gauge? Thanks