after my last post i went and guessed (correctly) the iac and cleaned it a little not knowing if that was it or not. thanks for the link, it is the exact same setup as mine and i think im going to clean the whole throttle body now. all the work ive been doin in that area, i basically had the whole thing apart one time or another. once again thanks for the post, it was helpful

 

No prob - If you thro a 3" flap sanding wheel inside the TB and get all that anti sludge crap out of there - follow it up with a 3" buffing wheel , you will then have ported and polished the TB - DON'T do this past the throttle plate - in-fact don't remove the plate unless you absolutely have to - it's harder than you think getting it to line up properly.

I run automotive pipe cleaners attached to a cordless drill to clean the EGR port and others on the TB elbow.

Use Ruby red resin to polish or diamond polish once and finally Meguiars Aluminum polish to strip the fine particles out of there and she'll idle purdy and get up and go like she should.

BTW- After there polished , they don't really get dirty on the inside - mine hasn't and I did mine 2 years ago.

 

I had the same problem with my 2002 ford f150 4.6 took to shop and found out had bad PVC valve and PVC hose replaced and everything runs fine.

 

Way to go, bringing back a thread that's been dead for 7 years..........

 

New user. 1 post. It is funny guy find things on google and go through the hassle of making a single post to a super old thread then we never see them again. We love participation. Just not the drive by kind!