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Boost dropped from 11 psi to 6 psi in the last 2 days

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Old 10-02-2019 | 05:53 PM
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Default Boost dropped from 11 psi to 6 psi in the last 2 days

I just bought a Audi s4 b5 and I noticed that my boost gauge read 11 psi the very first few days I had it. And just a couple days ago it went to roughly 6psi. I was thinking it might be the weather but it seemed to much of a change in psi for it to be the weather. The car seems to alternate between 6 up to 11 psi of boost. I’m newbie when it comes to the technicality of cars. I looked at some forums and stuff and they said it could be a torn throttle body boot, but I checked it out and everything seemed to be intact. I also read that it could be the N75 valve or even the diverter valves or i could even run a leak test to see if there is a leak somewhere in the system. For now I wanted to come on here to see what you guys think and maybe guide me a little. Thanks!
 
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Old 10-03-2019 | 01:57 AM
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Just did a couple of test runs and boost is peaking almost around 19 psi. I went around tightening the piping because some of it was a tab bit loose and I don’t think it was that. So I’m not sure why I’m my boost is fluctuating so much.
 
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