well bugsy i have checked the fuel pressure it seems fine now there is lots of gas coming out exhaust the injectors are working and there resistance seems fine.. now the car has thrown codes cause oif my playing around lean code prob because of playing with an injector i screwed with wire was bad so fixed it and maf code since i disconnected it while running, havent got any other codes show up yet so im not sure whats going on checking plugs next and wires but how do u check the coils in this car oh ya 97 grandprix gtp i see how you take them off but there enclosed so how do you check the terminals..