Vaccum Leak Averted?

[GTMRS4]

So during the summer, I swore I had a vaccuum leak as I could only boost to 19-20lbs and hold that till readline, but now as the weather has gotten colder I'm boosting back to the 24-23 and holding at 21psi like I'm supposed to.

Anyone have any ideas?

[Molotov]

where do you live? Cold air is easier to compress than hot air...

[GTMRS4]

I live in Ohio - before last winter my car boosted 23-24 and held 21-22 psi till redline, then messed around with the Uni and it dropped to 19-20 (similar to RXREP) now its back to how it used to be.

Possibly Wastgate?

[F16HTON]

MAP sensor...were you running meth? It kills MAP sensors.

[GTMRS4]

MAP sensor...were you running meth? It kills MAP sensors.

I was running meth - I tuned it down recently since I'm running the EVO COMP FMIC and dual nozzles with only minor tweaking.

PM me - I think i'll replace my map sensor then.