engine on 1990 Chevrolet Celebrity

I have a 88 celbrity 2.8 v6 mfi engine,it will not start after it runs and get hot,I,ve changed all ignition modules,sensors,except heat sensor,I get no check engine light and no codes on scanner,someone suggested changeing fuel injector wireing harness which I cannot find as when it is hot I get no fire thru the harness to injectors any help will be greatly appreciated,,thaks

1 answer
its not uncommon to get a bad module either/although new check it again