Diagnosis steps & tools?

[Terrill Yuhas]

On Mon, 8 Feb 1999 thergen at svn.net wrote:

> I had a similiar problem -- hunting/unstable idle only when warmed up on
> an '87 2.8 Cavalier (MAF).  It turned out to be the O2 sensor. Clean the
> IAC passage and pintle also.

Are O2 sensors cleanable or did I read that wrong?  Is there a manual that
documents cleaning the IAC or is it sufficient just to unbolt it and spray
it out with cleaner?  The car-specific manuals (Haynes & Chiltons) I have
show how to remove the IAC but not how to dismantle it.

Terrill