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OK can I just grab the arm to test?

OK thanks man you mean the screen shot of the data log I did when it had no boost?

Shit changing the bov did not do anything still no boost at all and sounds like a train please any suggestions? Like ford tech said the wastegates would throw a code only code I get is underboost https://youtube.com/shorts/DSJ50ZkaVTQ?feature=share

Ok thanks I will try this when I get a chance. The factory bov will be here tomorrow will install if I have time. That torn o ring is why I’m gonna change it It’s only 80$ so not too bad. I’m gonna order aftermarket one too just to have at my house if it blows again I will use better one.

Yes the truck was running 21/22 psi with the the timing advanced a little. KR is right where we want it Spent hours and 13 revisions with the tuner until we got it perfect. Now I think it builds 1psi if it was just the split oring would I only loose a little boost?

Ok thanks man Im gonna change the bov first on Mon or Tuesday then go from there. Where is the intake manifold pressure sensor located?

Hi there I had this happen once 5 months ago. I just restarted truck and it never came back I was about 3/4 of the way to my oil change interval

I'm not what you mean ? A go pro to record what ?

Ok thanks I should be able to get one Monday or Tuesday. Fingers crossed that will work and it's not a turbo bad or anything!

Yes that's my truck making that sound when it tries to build any boost def sounds like a train lol.what does that sound Iike to you ? I think my log shows 1psi boost nowbefore this it would Max at 22psi from unleashed performance tune. When you say to test bpv by blowing into to it do you mean...

No there is no other codes just that same one everytime and only if I give it gas half way if not no code. Ok could the diaphram cause me to build no boost if it was bad ? It was holding 21/22psi of boost before all this and running so good with the custom tune. Did you see the video ? Does it...

Ok so I dug into the truck I got the blow off valve out and it's split all around the green ? Would this cause no boost like I am having ?

Bump anyone have any ideas ?

If I clear the codes it goes right back to no boost. It will drive without a check engine light until I give it hard gas then wrench light and underboost code. I also put it back to stock tune same thing.

Ok thanks will check that here is my setup. Is there anyway to test the bov? If it was stuck open would the truck build no boost ?

Hi there yes I visually inspected all the plumbing I could see. Re checked all the hoses on the intake I installed etc. How could I tell if a wastegate is stuck or blow off valve gone bad any idea ?

Here is data log once it stopped building boost

I have a 2017 802a raptor. I have it tuned from unleashed,afe cold air intake and Borla Atak exhaust. Today I got that code for underboost now I have no boost what so ever. Any ideas? Could a bad bov cause no boost or just low boost ? I visually checked the hoses going to intercooler etc. Ever...

2017 802a

Looks great welcome !

Right now I am running 5* tunes 93 performance tune. Just curious what the difference would be ?

Hi and thanks everyone that responded to me and helped me figure this out. I brought the truck in today they took off the double spacer in the front and left eibachs in. I traded my tires for 35’s. they took out airbags and back spacer. Then added factory spacer and factory bump stops. What a...

Thanks

Thanks man

For sure I can’t wait thanks everyone for your help. I have all the stock rear parts with me the truck goes in on Friday to get rear put back to stock and spacers took out of front keeping eibachs in etc. Gonna have to keep the 37’s for now until I can sell them then I will get some stock...