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Hitting Boost Cut On MBC

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Old Mar 1, 2018, 01:26 PM
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Exclamation 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

Old Mar 1, 2018, 03:01 PM
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Check your IDC.....it'll be too high.
Old Mar 1, 2018, 07:34 PM
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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...

Old Mar 1, 2018, 08:43 PM
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Originally Posted by 400s
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...

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?
Old Mar 1, 2018, 08:45 PM
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Originally Posted by RightSaid fred
Check your IDC.....it'll be too high.
How do I know for sure it is high?
Old Mar 1, 2018, 08:46 PM
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Update

This 320 load where it hits boost cut is 23psi on the boost gauge
Old Mar 1, 2018, 09:54 PM
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Originally Posted by TariqEvo

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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