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Re: 6.0 Falls Dead, Cranks Up?????????
guys, sorry I am late to this party. You really need to hook this up to a scanner to check all your sensors. This will ensure your MAF, MAP, AIT, and water temp is all correct. Any of those could cause running issues. If a temp reading is wrong it could think it is "cold" and dump lots of fuel in like a choke. I was working on my first TPI swap and had my water temp wired wrong it didnt like that.
Sounds like you tested your injectors but when I first started mine I had a few gummed up. I unhooked my coils and took the injector rail with the injectors in and raised it an inch or two and put a rag under them. I hooked them up one by one and tapped on them while my son cranked the motor till they all sprayed. Problem solved.
you may have covered all this as I just quickly looked over this post. I do think it is a questionable tune or a loose or bad sensor.
good luck
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Dave
1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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