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2G cant exceed 4700 rpm (ish)

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jerrylarsen

Proven Member
147
5
Nov 23, 2014
arvada, Colorado
figured id post it here, because to me it doesnt seem to fit in the other categories, if a mod wants to move this post, feel free

well ive been chasing boost leaks even since i installed my fmic, finnally got the last of them taken care of, fixed my o2 heater circuit and went to take it for a drive, it pulls great right up untill around 4700rpm, it starts hesitating almost like its hitting a rev limiter, but more severe. no cel codes as of yet. umm.. what do i do LOL im running stock psi (7-9 psi for me) a vrsf fmic, some random bov recirculated, (as far as i know) stock fuel system. it didnt do this before i fixed thee boost leaks and oxygen sensor,.. so any help would be great as this is my daily.
 
gonna reset the ecu and see where that goes


anyone have ideas?
 
The plugs are new, wires are shit though. It does it all the time. What's the gap supposed to be? .23?
 
Sounds like boost creep, double check the boost sources and if their routed properly. Especially the wastgate and if its internally gated make sure the arm is on the flapper and didnt come off. its happened to me once.
 
never got a notification of this being updated LOL

well it was (yet another) boost leak, though now im pretty sure ive got all of them, im still only at 10 psi
 
Booya I nailed it :D Don't forget to mark my reply as best answer up top so other's can read/conclude :D

I would still do a BLT to 15+

You might be shocked that you may have more leaks, or a coupler was on the edge of popping off!

AH you have the 16g Nice, I would so BLT for more, that way when you get the rest of the supporting mods you are all set!
 
Lol my boost leak tester has a boost leak -_-
 
i made mine out of random things i found around my shop including pieces from my side mount haha
 
it leaks because of a pinhole in a piece of silicone
 
im planning on testing to around 22 psi when i make a blt worth a poop LOL
 
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