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I pressure tested last night, but will do it again tonight with bumper and pan off.
Thanks!

And I'd have much more information to work with if I could quit troubleshooting my ECUx and actually USE it to troubleshoot my F***ing car.

PSmalls::DoggieStyle

Sounds like a leak that is only showing up at higher boost levels. I'd do a visual check and/or pressure test.

VR_Life

sometimes they only leak when under pressure.

If so, might be time for Breeze constant torque clamps, Royal Brass in North San Jose stocks them ;-)

Ochlockonee

Do you know what your maf readings are?

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before spending a whole lot of time logging.
What's MAF reading got to do with out-of-spec boost?

KOpork

and APR hasn't really done much to fix their software. Sad..

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and like I said will pull off the front end and do a comprehensive test tonight.
Maybe all this airbox swapping has sucked some fod and I have a good excuse for Jacob-Snails.

Ochlockonee

Now that I think about it...nothing. It made sense a minute ago :-p

Superflex

FWIW, I had the same symptoms and replacing the N75 corrected it. I had dicked with the adj. screw.

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quell the MASSIVE throttle cut when I went Stg3. I didn't even know it was tweaked until then.
Sounds like it couldn't hurt to replace the N75 no matter what.