Installed FMIC, now having crazy throttle problems
 

I recently did a FMIC in my TII and directly afterwards, I started having these nutty throttle problems. If I keep it out of boost, the car drives fine, the second I go full throttle and let off for a sec, the revs spike all the way out. I checked for intake leaks and such, replaced the throttle cable and lubed up the linkage at the TB. Any other ideas?

I did have a coupler pop off on me at one point but that didn't really seem to fix the problem either.

The car is on a Microtech LT-8 btw...just to eliminate and ideas for the stock setup.

how much boost you pushing?

10-12 psi

your pretty close to me. i would say you either forgot to connect something or have a loose coupler somewhere

maybe. I'll run through the couplers again... :( I'm damn sure everything is connected where they should be though. I quadruple checked it. :(

Couplers are fine, throttle cable is fine, no vaccum leaks...tb linkage seems fine too.

I'm absolutely stumped. :(

The last thing is physically pulling the TB and checking to see if there's anything gumming up the plates. It still doesn't make sense because it doesn't stick until I give it some boost...