changed the IAC valve in a 2001 Mercury Grand Marquis and the check engine light came on. what would cause this. Thanks so much for your help.

120

Asked by Nov 02, 2014 at 06:43 PM about the Mercury Grand Marquis

Question type: Maintenance & Repair

2 Answers

257,835

Many things, have the car scanned for the codes. Your local auto parts store should do it for free, and post the 4 digit code back here and we can help. We'd just be guessing as to why your light is on.

120

Thank you. Will do

Your Answer

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
    Reputation
    5,780
  • #2
    kbro
    Reputation
    2,150
  • #3
    Js08016
    Reputation
    1,880
View All

Related Models For Sale

Used Lincoln Town Car
50 Great Deals out of 1,765 listings starting at $1,000
Used Ford Crown Victoria
4 Great Deals out of 1,191 listings starting at $1,496
Used Chevrolet Impala
537 Great Deals out of 35,320 listings starting at $900
Used Dodge Charger
424 Great Deals out of 28,515 listings starting at $2,490
Used Ford F-150
2,606 Great Deals out of 198,114 listings starting at $1,300
Used Ford Mustang
593 Great Deals out of 36,397 listings starting at $1,200
Used Chevrolet Tahoe
744 Great Deals out of 41,784 listings starting at $1,995
Used Chrysler 300
323 Great Deals out of 18,080 listings starting at $990
Used Cadillac DTS
58 Great Deals out of 1,605 listings starting at $2,499
Used Cadillac DeVille
1,562 listings starting at $2,995
Used Lincoln Continental
17 Great Deals out of 3,880 listings starting at $35,890
Used Chevrolet Caprice
201 listings starting at $9,995
Used Ford Taurus
192 Great Deals out of 15,922 listings starting at $1,850
Used Buick LeSabre
17 Great Deals out of 1,766 listings starting at $1,000

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.