Car will not idle when cold

Asked by Oct 15, 2013 at 02:13 PM about the 2001 Ford Explorer Sport 4WD

Question type: Maintenance & Repair

2001 Explorer Sport, will not idle when the outdoor temp. starts getting colder. Anything below 45 it will not idle at all until it warms up. I have to unplug the MAF sensor to get it to run untill it warms up. Then it won't idle until I plug the MAF back in. I replaced the MAF thinking that was the problem however it is not and I can't really figure it out reading the car repair manual either. Has anyone else had this problem with their Explorer?

4 Answers

261,695

Check your throttle body and Idle control valve, they get dirty with carbon and cause a rough idle and stalling if really dirty. Check youtube on how to clean these with throttle body cleaner. Is your check engine light on? If so have the vehicle scanned for codes.

3 of 3 people found this helpful.
65

seems like its time for a tune up. I had a Explorer XLT years ago that would do this. Ended up being a vacuum leak on the engine. Take a good look at your vvacuum lines and getg a set of sparkplugs and wires.. MOTORCRAFT

1 of 1 people found this helpful.
65

Seafoam makes a aerosol can with a long plastic tube for throttle bodies and fuel injected vehicles. Remove the lines and shoot a good blast everywhere you can get it.. it works wonders.

2 of 2 people found this helpful.

I did change plugs and wires and that did not help this problem. Will try the Seafoam as soon as I can find it in an aerosol can.

Your Answer

Explorer Sport

Looking for a Used Explorer Sport in your area?

CarGurus has 201 nationwide Explorer Sport listings and the tools to find you a great deal.

ZIP:

Ford Explorer Sport Experts

  • #1
    chassy
    Reputation
    340
  • #2
    tennisshoes
    Reputation
    310
  • #3
    Tom Demyan
    Reputation
    210
View All

Related Models For Sale

Used Ford Explorer
1,043 Great Deals out of 70,238 listings starting at $2,100
Used Ford Explorer Sport Trac
47 Great Deals out of 1,744 listings starting at $1,999
Used Ford F-150
2,822 Great Deals out of 212,216 listings starting at $1,300
Used Jeep Grand Cherokee
946 Great Deals out of 71,812 listings starting at $1,200
Used Chevrolet Tahoe
807 Great Deals out of 41,864 listings starting at $1,980
Used Dodge Durango
301 Great Deals out of 23,799 listings starting at $1,500
Used Ford Expedition
341 Great Deals out of 17,081 listings starting at $1,930
Used Toyota 4Runner
329 Great Deals out of 25,172 listings starting at $1,750
Used Ford Escape
1,033 Great Deals out of 100,289 listings starting at $850
Used Toyota Highlander
521 Great Deals out of 33,723 listings starting at $2,450
Used Ford Mustang
560 Great Deals out of 36,486 listings starting at $1,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.