How do you know if the Idle Air Control Valve is going bad?

50

Asked by Aug 03, 2014 at 04:20 PM about the 1987 Ford F-250

Question type: Maintenance & Repair

5 Answers

104,365

Low or rough idle. Stalling when slowing to stop. But runs normally at highway speeds. Turn ac on-- does vehicle idle up. If not possibly dirty/faulty idle air control valve or dirty throttle plate.

2 out of 2 people think this is helpful.
50

It has been doing this since I tuned the engine. Checked auto parts store and a new one is about $60.00...they recommend a new replacement and not to try and clean the old one.

104,365

Honestly that's rather cheap compared to some. I would try cleaning first. But then again it's twenty seven years old. Personal experience with one in my 1985 z28. Took it off, cleaned it and then turned key on so I could see if the plunger moved. Damn thing (plunger) shot across the shed. Lol. Had to buy a new one anyway.

50

Replaced the air control valve today and the truck is running much better. Thanks for all the feedback folks!

104,365

Glad you got it going. Drive safe.

Your Answer

Add photo

Related Questions

  • what can i do to fix these problems, starting up,popping or backfire and making it move or roll in drive 4 answers

    spraying quick start in it to start , high rpms ,popping or backfiring when accelerate , putting it in drive it will roll slowly ,slowly, in 1 it will move like in drive. all other gears work fine. al...

    1991 Ford F-250 2 Dr XLT Lariat Extended Cab LB

    -

    Maintenance & Repair

  • candjhaug@yahoo.com 3 answers

    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 ????

    1991 Ford F-250 2 Dr XL 4WD Standard Cab LB

    -

    Maintenance & Repair

  • Fuel tank switch/selector on dash. What happens if it goes bad on a 93 ford f250 3 answers

    Starts up, idles, put in gear add power runs for 4miles, starts backfiring under-hood, looses power( mean while switching tanks back and forth, pumping accelerator) before it dies. Let it cool down...

    1993 Ford F-250 2 Dr XL 4WD Standard Cab LB

    -

    Maintenance & Repair

  • coolant system 6 answers

    truck has 460 ci that has duel fuel (gas and popane). problem is that there is always hot air coming from vents even when it is turned to cold. according to temp gauge it appears to always be runnin o...

    Ford F-250

    -

    Maintenance & Repair

  • can a bad break booster do this to the idle 24 answers

    Ford F-250

    -

    General

F-250

Looking for a Used F-250 in your area?

CarGurus has 558 nationwide F-250 listings starting at $1,342.

ZIP:

Search Ford F-250 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Ford F-250 Experts

#1 tennisshoes
tennisshoes
Reputation 580
#2 FordNut
FordNut
Reputation 510
#3 dandyoun
dandyoun
Reputation 340
View All

Related Models For Sale

Used Ford F-150
3,105 Great Deals out of 209,134 listings starting at $1,200
Used Ford F-350
341 listings
Used GMC Sierra 1500
989 Great Deals out of 60,344 listings starting at $1,299
Used GMC Sierra 2500
194 listings starting at $4,999
Used Ford Mustang
545 Great Deals out of 43,036 listings starting at $1,699

Used Cars For Sale

1999 Ford F-250 For Sale
33 listings starting at $2,700
1998 Ford F-250 For Sale
19 listings starting at $1,342