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Discussion starter · #1 ·
I have a 2017 raptor. Have it tuned by unleashed,afe cold air intake and Borla Atak exhaust. Yesterday I warmed truck up and no boost at all. Check plumbing etc could it be my bov? Or that would still build so m boost ? Attached is data log at no boost throwing the p2099 underboost code but only throws code if I'm on the gas. When I got th afe installed I have very loud turbo whistle especially on cold start now nothing.

 

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Discussion starter · #4 ·
3 months I would say Torrie dialed it in recently so it was running perfect on 93 performance tune. Turbos did whine alot more once I put in afe cold air intake. Like on a cold start it would whine so loud for first min then calm right down. Would a very leaky bov cause no boost at all ?
 
As above, you need a new eBOV. I just recently had to replace mine. Same as yours, no boost. Basically an N/A engine (and it felt like it). Also while I was waiting for the part to replace it, I also got a code for "Under Boost" one time. I changed my eBOV a few days later and never got the code again.
 
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Discussion starter · #9 ·
As above, you need a new eBOV. I just recently had to replace mine. Same as yours, no boost. Basically an N/A engine (and it felt like it). Also while I was waiting for the part to replace it, I also got a code for "Under Boost" one time. I changed my eBOV a few days later and never got the code again.

OK thanks gonna change it tomorrow
 
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