Did you try this? It would help narrow down a possible cause. Half of the sugestions in this thread point to that as being the cause.

Did you conect up the pcv line going to the UIM?

You can also plug up the hose going to the AWS to see if that is sticking.

One thing you might be able to do if you have no help from someone else it to lower the rev limiter in the PFC so it is a little bit safer to troubleshoot while the engine is running.


John

 

have phil fix it

 

For those that don't read the entire thread:

 

Missed that, my bad.

 

I have a spare TB in my closet if you want to swap it out. Im in Coral Gables.

-M

 

Any updates OP?


John

 

Look at the items that are bolted to the intake manifold (lower and upper) other than vacuum hoses. If you have block off plates make sure they are not leaking. There is air entering the motor some where between the throttle body and the engine. Spray soappy water around the lower intake manifold and the engine block or all around the area.

 

How quickly do the RPMs shoot up? A thousand per second? Redline within a second? or much slower?

 

hey guys...i got it all sorted out now...like papsmagu suggested...me and phil started investigating it and couldnt figure it out

about an hour and half later of trying stuff...it turns out there was just build up where the throttle plates close...so it wasnt sealing completely shut...we took some 1500 grit sand paper and cleaned up the ports and she works like a star now

we didnt see it because it was such a small difference that we only realized that it was that after we did it lol