Cleaning the throttle body.
This write up will be using the throttle body from a 2001 Toyota Tacoma.
you will need:
Seafoam Deep Creep (deep creep is the exact same thing as regular seafoam, but in an aerosol can, if you have seafoam laying around, go ahead and use it.)
I decided, since my throttle body had never been cleaned, that I wanted to take it right off and do a good job of it.
there are 4 12mm bolts holding the throttle body on, along with a few coolant lines and electrical connections, you'll need to remove all of the lines to completely remove the throttle body, be careful, they will spill.
Here is my throttle body completely removed.
deep creep, and a tooth brush (doesn't have to be brand new)
your going to spray the deep creep inside the throttle body, which will look something like this.
scrub with your toothbrush of choice until everything is shiny clean!
you will want to hold the butterfly valve open and clean everything you can reach, remember to clean both sides.
Once you've scrubbed everything clean, rinse thoroughly with some more deep creep, and dry with a soft cloth.(sorry no after pic)
but it will be considerably cleaner.
after cleaning my throttle body, my truck was revving up and idling at about 2500 rpm, my best guess is that the throttle plate is now cleaner and is closing to the point where it used to close, now that there is no build up, air is able to pass through the throttle body at idle. This will fix itself within a few miles.