candjhaug@yahoo.com

Asked by Jul 27, 2014 at 12:29 AM about the 1991 Ford F-250 2 Dr XL 4WD Standard Cab LB

Question type: Maintenance & Repair

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
change ????

3 Answers

108,835

Check for vacuum leaks. Also check pcv valve. If it's stuck open this can happen.

1 out of 1 people think this is helpful.
63,335

Check for vacume leak,s in hoses,s,bad one,s will make it idle high.

1 out of 1 people think this is helpful.
63,335

Diito dandy

3 out of 3 people think this is helpful.

Your Answer

Add photo

Related Questions

F-250

Looking for a Used F-250 in your area?

CarGurus has 468 nationwide F-250 listings starting at $3,975.

ZIP:

Search Ford F-250 Questions

Ford F-250 Experts

#1 tennisshoes
tennisshoes
Reputation 600
#2 dandyoun
dandyoun
Reputation 340
#3 Tom Demyan
Tom Demyan
Reputation 300
View All

Related Models For Sale

Used Ford F-150
2,250 Great Deals out of 208,963 listings starting at $1,499
Used Ford F-350
301 listings starting at $6,500
Used GMC Sierra 1500
813 Great Deals out of 66,978 listings starting at $1,499
Used GMC Sierra 2500
161 listings starting at $4,995
Used Ford Mustang
389 Great Deals out of 47,145 listings starting at $1,999