1994 Pontiac Bonneville dying for no reason

https://www.2carpros.com/car_repair_video/test_fuel_injection_pressure.htm Go here and checkout our video. Also you might want to check for codes...

Cross these two terminals as shown, then turn the key on. Count the flashes, a 22 will flash as 2 flashes then a short pause, then 2 flashes, if more than one code is stored, the pause will be longer. The codes will display three times and end with 12. Write them down and post here. This connector is right under the middle of the dash...