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.

100

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

Question type: Maintenance & Repair

2 Answers

217,145

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.

100

Thank you. Will do

Your Answer

Add photo

Related Questions

Search Mercury Grand Marquis Questions

UK Questions

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

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 5,030
#2 kbro
kbro
Reputation 2,030
#3 Js08016
Js08016
Reputation 1,580
View All

Related Models For Sale

Used Ford Crown Victoria
4 Great Deals out of 1,383 listings starting at $1,700
Used Lincoln Town Car
38 Great Deals out of 2,079 listings starting at $1,995
Used Chevrolet Impala
896 Great Deals out of 34,996 listings starting at $1,700
Used Dodge Charger
478 Great Deals out of 30,004 listings starting at $2,275
Used Mercury Marauder
37 listings starting at $7,998
Used Ford F-150
2,996 Great Deals out of 207,380 listings starting at $1,200
Used Cadillac DeVille
3 Great Deals out of 1,907 listings starting at $1,600
Used Cadillac DTS
56 Great Deals out of 1,789 listings starting at $2,100
Used Chrysler 300
473 Great Deals out of 22,383 listings starting at $1,200
Used Chevrolet Tahoe
872 Great Deals out of 27,786 listings starting at $1,700
Used Honda Accord
965 Great Deals out of 74,488 listings starting at $899
Used Buick LeSabre
9 Great Deals out of 2,225 listings starting at $1,299
Used Toyota Camry
1,165 Great Deals out of 95,422 listings starting at $1,250
Used Chevrolet Camaro
434 Great Deals out of 40,538 listings starting at $3,500
Used Ford Taurus
305 Great Deals out of 20,994 listings starting at $1,800