Ok so my problem this time. My boost pattern is normal, 11-8-11 ish to start, but it drops to about 7psi almost rite after the secondary boosts full.

last weekend I had an IC coupler go out, and already something different. I'm really starting to feel like an FD owner.

Dale

 

LAWL

Dropping boost from secondary...

1.) Vacuum Lines
2.) Exhaust Leak
3.) Boost Leak (but you'd see it on your primary as well)
4.) Secondary turbo taking a crap

Have a vac diagram? Might want to look into that.. replace your couplers if they are old or cracking. This has happened a lot on here, so search around and you may find someone who had the same problem.