garageEF

i got a 91 std converted to 88 si mpfi. first of all, the ecu doesnt flash codes until i actually crank the starter,ive tried a pm6 and a pg7 with the same results. when it does flash, i get code 10. will this make the car not start or affect the way it runs? the other problem im having is that the fuel pump doesnt click on, i pulled it out and tested it, it works fine.the main relay was buzzing so i replaced it with one i found at the junkyard(it doesnt buzz but the ****** obviously doesnt work).i need to get this bitch mobile so it can go to paint, any help will be VERY much appreciated.

90dx

You have the ground on the thermo housing hooked up and its clean?Code 10 is IAT sensor and it looks just like the IACV [barrell on intake manifold] trying switching the 2 around and reset computer.