high idle after boost run

srx900

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I have a nitro with 180 turbo kit and prologger sled runs good and is making 5-6lb of boost but after a boost run the idle doesn't come down right after I release the throttle anyone have any ideas of were I should start to look. Sled seems to be louder and I cant hear blow off valve working like I could at first but I don't know if the muffler is just louder.
 
high idle

tightened a few joints and adjusted gems fuel controller it seems to be correct now
 
high idle after boost

I am having this problem again I now have a pc5 pti sled is fine if I only have very short boost. if I have boos for extended periods the idle doesn't want to come down anyone have any ideas
 
I had this problem and it was a dirty pilot jet.... Sorry not much help for your FI.
 


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