"Where is the heater controll valve on a 2001 Chevy S-10 controll Valve? "
No, it does not.
No.
what is the valve settings surposed to be for a 87 s10 chevy pickup 2.8 ci
You can tell a bad valve by doing a compression test.
There is no EGR valve on the 2002 4.3L (code W)
2003 4.3's do not have an egr valve.
There is none.
how to adjust vavles on 2.2 1998 s10
On the right side valve cover.
Horn valve? Please give more info.
If you have such a valve, it was installed as an aftermarket modification. Check with whoever installed it.