I have an idle problem!!! PLZ help me!!

I purchase a 1993 Isuzu Rodeo 2wd automatic! When i bought it,It had too much oil in in so i had to drain most of it! So i went and bought it i put new spark plugs,air cleaner,eigine restore,new engine oil,new Idle Air Control valve,new O2 sensor,New mass air flow sensor!! But i have a little problem! When the SUV is cold it runs and Idles good BUT high at first cuz its takes like 30 sec's to go to normal RPM's! But when it get hot like Normal temp,it want to shut off sometimes like when i rev it up sometimes it does just fine but most of the time it bounces or moves up and down alot!! But it shuts off like when i put it in Park or nuetrel or drive but i think the PCM gets confuse or something! But me speedodomoter don't work could that be them problem? So someone PLZ help! got and suggestoins?? THX

What engine? any check engine light?

Joel

Clean your wonderful EGR valve; replace your PCV valve - try and aim for a dealer replacement on the PCV valve, much better then aftermarket, price is around $9-10 dollars. Also, replace your fuel filter.

Did you clean in/around your throttle body? This could help.