Uh, I may be wrong (as I usually am) but I think most people are only getting the P1188 at part throttle not at WOT. Thus I don't see how this is curing anything. I currently have my mbc pressure source comming from the manifold and then straight to the wga. I've gotten the dreaded code twice in 1500 miles and both times it was when I had hit about 13psi @ about 75% throttle.
Aloha,
Mark
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