Having trouble turning down the idle. The truck idles at 1300 rpm and emissions needs it
down to 850 to 900 rpm. I have backed off the idle adjustment as far as it can go. Know
Check for vacuum leaks. Also check pcv valve. If it's stuck open this can happen.
Check for vacume leak,s in hoses,s,bad one,s will make it idle high.
Looking for a Used F-250 in your area?
CarGurus has 468 nationwide F-250 listings starting at $3,975.
Search Ford F-250 Questions
Ford F-250 Experts