I think I'm hitting fuel cut...

[Dr Ronald]

So I FINALLY got my car running again. I babied it for a few days just in case. I finally opened it up the other day. I knew second gear was going so I was being careful with the shifts. I get to about 5.5k in second and BANG!!! I thought I popped out of gear at first, but I'm pretty sure now it was fuel cut. I have not boost tested it (shame on me for not doing that before I posted, but I don't have time right now), so I don't know if there is a leak. The last guy to own my car has gotten the MBC spring caught up inside the MBC so it was running at 20 psi. I got all the way up to 20 psi without "hitting the wall". I'm running at 13 psi now so I don't think it was a major leak. It would have to be my BOV or something if that were the case. ANYWAYS... I'm running a MHI big 16g with stock injectors and a EVO (I think) fuel pump. The guy said the fuel pump flows about 190. I have a FMIC and a 3" turbo back exhaust. I recently replaced the cracked turbine housing (replaced a 6cm with a 7cm), but I hit fuel cut before I did that. I'm just having trouble believing that I'm hitting fuel cut at 13 psi. How do I figure out what is exactly going on? I don't have an egt of a/f gauge. What should I do to fix this? Injectors or pump?

 

[Wil_OwnU]

Blt first! I run a evo 3 16g at 16 psi on stock injectors but I have ecm link so I don't get fuel cut I would see what a blt does.

 

[technodsm]

A boost leak can seem like a fuel cut so it is worth checking all fittings hoses and connections for loose fittings, cracks, splits etc... Use a flashlight, small mirror your hands tt flex the lines while inspecting visually to check for splits etc.

 

[bmoha7321]

Around 12.5 to 13 psi. Turned out I had a ton of boost leaks