In need of opinions / knowledge please!!!!

IAC valve. Don't try to clean it, just replace it.

The FIRST thing you do is have its Control module scanned for any codes set... then come back here with them THE CODES!!!!

Autozone does it.

Also does cruise control work properly?

- - - -- - - -- - -- - - - - - - - -- - Also you migft want to know that this intellectual property has nothing to do with the site you are using... it is on network newsgroups which existed long before the World Wide Web. I've been posting on here for over ten years and never HEARD of Autoboardz until a month or so ago

Also the REAL cache for all the messages is Google Groups... if you insist on using a web based facility, at least use the one which has cached all of them, at least back to 95... and on which you can search for similar problems... that would be google groups.

He just said there are NO CODES. Strange, because an IAC problem should throw a code if it is an IAC problem (computer calling for X rpm, getting X+ rpm). I'd be looking at the cables or the floormats first.

While it could very well be an IAC it sounds to me more like a vac leak.

The IACV sticking won't always throw a code, BTDT; it could also be the gasket leaking UNDER the IAC valve.

Or a vac leak somewhere else

Which SHOULD also throw a code.

And yet many times they do not. But yes if it's bad enough to raise the idle speed that much I would expect to see some lean codes. Bob

Yeah... geezer brain fart, skipped that part somehow.

I just had a thought, though. Mentions braking involved...Brake booster.

Golfer... if it does this often... take it to a wide open space. See if it does it. If so, then disconnect the vacuum line to brake booster and plug it. Go thru the scenario again, if it no longer happens, there's your vacuum leak... and it probably wouldnt throw a code

Backyard Mechanic wrote: Check all your vacuum lines, especially tees... ABS tees sometimes crack and as the engine torques slightly the crack may open.

Or an IAC code. If the computer asks for 700RPM and the TPS says throttle closed and the rpm is 1100, it SHOULD set an IAC code. Not sure on that model though.