97 Mitsubishi mirage help
 

looking to see if I can get some help with my car, I have a 97 Mitsubishi Mirage DE, 2 door coupe, 1.5 liter engine, my car has a code of p0204 and p0403, I have changed out the fuel filter and injetors (all 4), the crank sensor, egr valve and egr switch, I am having trouble with it starting and when it does start when I give it gas it shuts down, don't know what else to do please help