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Discussion Starter · #1 ·
My girlfriend has an 04 1.8t Jetta. I am trying to install a manual boost controller to enable her to turn the boost up to 12 or 14 lbs. I cant figure out how to bypass or work with the factory electronic boost controller. The computer wont let me turn the boost up at all. I have gotten it to spike at 15 and hold at a solid ten a couple tries. But after that, it will just spike and then hold no boost. I know there is a way to do this as I have seen and heard of other people doing it. Any help would be much appreciated. I am out of ideas. Thanks! http://****************.com/smile/emthup.gif
 

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AFAIK...a mbc only give you an extra 1 or 2 psi of boost. As you noticed you really can't override the boost limits set in the ECU programming.
The only way to increase the boost reliably is through chipping. A Split Second boost controller a little less, and makes less power than a chip....
 

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Re: (GT17V)

i think that is what he has is an electronic boost controller. but something is not right because your car should already peak at 12-14 psi without the controller so try the 1.8t forum. they would know how to help you http://****************.com/smile/emthup.gif
 
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