moan!!!

[Antxlt]

I started my truck today and I heard a moan coming from the engine, when I opened the hood it was coming from the air filter box. It was hot today, about 80 degrees outside, for pretty much the first time, does that have anything to do with it? Thanks

 

[Alec]

IAC, idle air control valve. Get a new one. Many many many threads on this.

 

[96 black beauty]

yep IAC, had same problem dont forget a gasket... make one if u have to