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- - Hitting Boost Cut On MBC (https://www.evolutionm.net/forums/ecu-flash/747064-hitting-boost-cut-mbc.html)

TariqEvo

Mar 1, 2018 01:26 PM

Hitting Boost Cut On MBC

So I am currently using a Hallman Pro RX Manual Boost Controller, and I am hitting boost cut everytime I exceed something around 320 load
This is what my boost limit table looks like. Why are these values in percentage, is there anyway I can change them to load?
Note: My car has only a MAF sensor and no MAP sensor

https://cimg4.ibsrv.net/gimg/www.evo...e314f30201.jpg

RightSaid fred

Mar 1, 2018 03:01 PM

Check your IDC.....it'll be too high.

400s	Mar 1, 2018 07:34 PM

Tariq... if you have not played around with your maf scaling then 320 load is well over 2 bar

the values you see there are load values... 230 translates to something like 1.3 or 1.4 bar...

thats why why you are hitting boost cut...

TariqEvo

Mar 1, 2018 08:43 PM

Quote:

Originally Posted by 400s (Post 11807296)

I have not played with my maf scaling, its completely how it is from factory, except that I am running a K&N intake,

Also, if those are load values, how come I am hitting the cut at 320 rather than 230?

TariqEvo

Mar 1, 2018 08:45 PM

Quote:

Originally Posted by RightSaid fred (Post 11807240)

Check your IDC.....it'll be too high.

How do I know for sure it is high?

TariqEvo

Mar 1, 2018 08:46 PM

Update

This 320 load where it hits boost cut is 23psi on the boost gauge

RightSaid fred

Mar 1, 2018 09:54 PM

Quote:

Originally Posted by TariqEvo (Post 11807306)

How do I know for sure it is high?

Because you got fuel cut.
You'll see it on a data log.

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