89 Throttle body 350 rough idle and hesitation

yup...this forum is helpful to an extent but people really don't read the previous posts to see whats been tried do they?


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Quick check to see if fuel pump is running is a volt meter or just put your hand on tank and listen while someone turns key on, no crank and it should run for couple seconds then turn off. If not tap bottom center of tank where pickup is, key on check again. I have seen sock rot and fuel pump pick up fibers and lock pump causing burned/corroded connections in plug in tank on fuel pump.

If you have to replace pump there are chepies, spend and extra couple bucks for AC Delco or Carter replacement. Carter is my favorite and comes with new plugs, wires and usually a good sock.

There's usaully a ground wire from tank to frame, this too can be an issue, just take it off, clean it up and rebolt. Forget if this was stock TBI truck or conversion but conversion vehicles ususally lack good ground strap from frame to engine block, engine block to body. So on conversions it's always good to ground pump back to block or at least get good ground strap from frame to block...

How do I delete posts on this Forum? I seem to be getting the same suggestions over and over now! Makes things more aggravating lol

If it's mine I'll delete it for you and stop tring to help?

But you say you don't have a buck to your name and want some help to fix issues, no volt meter tests, no fuel pressure tests, everyone is trying to help you with tips and tricks and your complaining and wanting to delete posts? you haven't even answered any questions on the tips and tricks given you?



EDIT: Sorry, I guess there's no way to edit or delete posts after time. Your stuck with all this free help!

Sorry if i hurt your feelings EagleMark but I"ve answered and responded to every question and suggestion i've been given...and i really do appreciate everyones help and suggestions but most of what you've suggested has already been suggested to me such as the ground strap going to the fuel pump and the ones for the block...the only thing i haven't replied about yet is what the condition of the ground strap for the fuel pump because i haven't checked it yet, as i stated in a previous post i have a sneaking suspicion that might be as because when i changed the fuel pump a few years back i noticed the ground strap had been cut and splice back together for some reason, it never concerned me becuase i never had an issues until now. So when i lower the tank to inspect it I'm going to go ahead and clean the mounting surfaces and replace the strap with a unspliced one...once again sorry if i upset you, don't get me wrong i appreciate any and all suggestions and i wasn't trying to be rude but the same suggestions over and over aren't necessary To answer your other post the fuel pump is working i can sit in the truck and hear it come on, the truck is an origianl tbi truck and all 3 of the engine grounds have been checked and the mounting surfaces cleaned

No hurt feelings or upset just don't want to help if you find my posts inconveinent or going over a subject again. I know this system like back of my hand, converted it to many differant motors and even have a truck with one from factory I have owned 10 years.

But without knowing fuel pressure, having a scan tool or ALDL cable and laptop, or going over every possible sensor/circut with a DVM your running out of tips and tricks?