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Boost gauge stuck at 20 mmHg after install, blow off valve sound changed, any ideas?

1.6K views 9 replies 3 participants last post by  Savyy  
Hey savyy. Question for you. Is your gauge electronic or mechanical? I had the issue your having with my autometer mechanical when in a drive thru of all times lol. Found that the t that I used split the vacuum line and created a leak. The car still ran fine but since the maf is pre turbo it didn't pull a code or anything. I had to cut the split line and repair it to get home. My buddy had some brass t's that I used without having to use a lot of different hose to make work. My bov did sound like a super sequenceial tho lol. Just a thought look for a vac leak at the t. Hope this helps!

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