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Electronic boost controller not working?


Kiwiflyboy

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Alright have purchased a GFB electronic boost controller for my SF5 forester to help stablelise the boost spikes and control the turbo response and boost. With the normal factory set up it holds about 11psi and has a we spike at the start of the spool. When I fit the GFB one I am only able to get 7.5psi as a max which is the wastegate Spring pressure??

Anyone have any experience with these are know how to solve this?

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Could very well be a faulty user lol. I have tried two power sources and set it the solenoid tubing multiple times double checking it compared to the instructions. The solenoid clicks on power up as it should but when car running and setting the duty cycle I can on achieve 7.5 psi. I have a silicone hose from the Wastegate to one port and another hose from the pressure side of turbo to other port on solenoid

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it's on a twin eh? I don't know enough about them (gross engine setups) to offer much more support than refer to the manual... obviously stuck on wastegate for a reason. What the reason for installing it anyway...? 11psi sounds kinda low. Need more details on car/engine/turbo setup. Where you plumbed into and why ect...

What type of gfb controller is it?

I use a gfb2 on my legacy single turbo and it's been amazing and simple as to install and use

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All sorted rang GFB in ozy and hpthey were awesome help. It was me being a noob and thinking the duty cycle number was a PSI number so was setting it way way to low. It's on a SF5 forester and to help stabilise boost and increase it a bit from the stock as they run a little lower

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