1995 Isuzu Rodeo, 3.0L V6, 4WD, 5-Speed....Grey... (joke)

I got the truck from a friend with a high idle around 2000 rpm's...
I changed out the fuel position sensor( at least thats what I think it was) and it went down, but then started bogging out, as I pressed the accelerator and as i was letting off...

Then I needed a new battery so I picked one up and as soon as I finished installing it, the high idle came back with even more terror, idling between 2500 and 3000 rpm's which is just ridiculous.
Throttle cable is fine, not the problem... I was told that
I could try a new catalytic converter but it would be a pain in the butt and I'd have to find someone to weld it on for me unless i spent an arm and a leg to get a new bolt on one.

If you have any idea what might be causing this specifically, or you know exactly what it is, please help!

all information is much appreciated! I can't wait to get this bad boy running right so i can go off-roading!

 

Check your IAC ( idle air control) with engine running disconnect iac valve electrical connector. Idle will drop immediately. If that doesn't work let me know. It will get kind wordy and I'm not know for my typing skills!
It is located right above/behind the cable pulley on throttle body if you don't know already...

 

I took off my catalytic converter a few days ago to see if that was the problem and it was still idling high after I took it off. The truck sees to be running really rich, and the exhaust smells horrible. (not that it ever really smells good anyways).

But thanks for the reply and suggestion! I unplugged the electrical connector while it was running and nothing even changed... It idled just the same... Weird?

Please let me know if you have any other suggestions or ideas... I really don't want to end up taking this truck in for diagnosis and being sold all kinds of crap that I really don't need.

 

If the Tom's didn't drop that is probably your culprit. When I get home I will let you know what the voltage should read at that unit.

 

My Rodeo would run like that until i started using Marvel Mystery oil
in my gas. I treat every 5000 miles and now it idles around 700 rpms