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The mkiv Supra Owners Club

Wavy graph on my boost controller


squiffy
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I have fitted a greddy oled boost controller and as you can see from the picture im getting an interesting curve when the 2nd turbo comes In!

It's set to run around 18psi

 

I figuree the car was fighting the boost controller so did some searching on here and found the diagram about capping off the ports on the actuator and vsv. I have done that but now I am only getting 11 psi when I'm flat out and the car is noticeably slower.

However I now get the correct shaped graph

I've tried turning the boost up but it won't increase...

 

If anyone can shed any light on this it would be much appreciated

 

imageimage

 

 

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