White Smoke after IAC cleaning

Hi all,

A few months ago I cleaned the throttle body and butterfly valve with some intake cleaner and rag....I also pulled the original IAC valve out and cleaned it with carb cleaner.

Initially a ton of white smoke came out of exhaust on first startup after I cleaned it (which seemed normal because some cleaner went down into the body) but it's been 2 months now and i keep getting alot of white smoke out of exhaust.

It smokes a little on idle, and when in Park and revving engine you see alot of it coming out.

Also I noticed that right on startup the other day, like right away, beads of water were coming out of pipe.

Engine feels a little bit rough, not misifiring, but something ain't right.

I never replaced the original IAC valve, just cleaned it, didn't take off the gasket because it was stuck on one side, although the gasket is obviously very old and brittle (1997)

Lastly, when opening up butterfly valve and looking through the other side, there was soooooo much black crusty, gunky crap all caked around on inside, but I never cleaned it.

Please help, going to the mountains in a week.

My buddy told me to run CataClean?

You didn’t mention the year and Engine which would be helpful. Does your throttle body have a disk about the diameter of a quarter protruding from the passenger side that the pcv hose mounts to along with a small coolant line coming into the front and Another attaching to the rear? Can you look down through the throttlebody into the intake and see liquid in the bottom? You’ll need a flashlight to look down in there and it helps if someone can rock the car while you’re looking. If there’s liquid down in there and you have that disc protruding from the throttlebody, then probably what has happened Is a hole Has opened up between the chambers in that disc and the engine is sucking coolant into the intake. I had a 99 5.4L expedition that had this happen. If this has happened, the easy fix is to disconnect both of those little coolant lines that go into that disk and connect them together. Then plug both sides of that disk where the coolant lines had been attached. I plugged them by taking a small piece of clear fuel line And attaching it to both of the nipples coming off of that disk. That stops the vacuum leaks.

Thank you so much for the reply.

1997 5.4 XLT

I'll go see if I can see any liquid in the mean time, will report back.

I hope that’s all it is. It took me a lonnnnnggggg time to figure it out. I thought it was a blown head gasket. And compression readings were all over the place. Let me know how it turns out.