jheat

I've followed a bible for these trucks and still no luck and I'm afraid that it might be th ecu is it hard to do if not how cheap is a ecu

Has a new fuel pump but no way to tes pressure

Wires not words and whatever other typos I might have

Hello this is my first post on here this is my 1988 chevy heavy half cheyenne has a 350 and a 700r4 when i got this truck it was known to have tbi issues and I've changed everything that I can think of and that the internet has said to make the injectors fire and they will not pulse the truck has great spark and is getting power to the injectors a full 12 volts and they will not pulse I'm looking for guidence and I've tried distrubtors I've tried different injectors I've tried ignition modules I've check that fuse for injectors I redid the words to the injectors and nothin changes. Again looking for anything that might help but if i can't think of anything what would be the best swap to from tbi for this truck