I have a 1999 Grand Marquis/LS and I have one issue that I need some help understanding. My car hums for about a minute then it kills but starts right back up like it never happened. Does anyone out there have a clue to what that could be. It's been put on a machine and the only thing came up was an oxygen sensor,replaced that and it still hums.

Sanoma27
0

Asked by Sanoma27 Dec 03, 2012 at 07:07 AM about the 1999 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

3 Answers

TonytheWoodsman
975

It hums because it doesn't know the lyrics. Just kidding. I think there may be something in the air intake system that is sticking shut.

joef
3,305

It sounds like it is your idle air controller! These fail very commonly in all different types of ways. I would replace it. It is a cheap part!

3 out of 3 people think this is helpful.
Best Answer
Sanoma27
0

Thanks that's very helpful!!

Your Answer

Add photo

Related Questions

  • 99 Grand Marquis turns but wont start 3 answers

    I have a 1999 Mercury Grand Marquis. I had the check engine light on so I had the codes read and it said misfire on cylinder 1 & 6 check spark plugs. Changed the spark plugs, seemed like everything...

    1999 Mercury Grand Marquis 4 Dr LS Sedan

    -

    Maintenance & Repair

  • Loud radiator fan 2 answers

    I currently own a 2007 Mercury Grand Marquis LS. I'be noticed my radiator fan is loud. The fan kicks on high speed after driving for about 20 minutes and will not shut off until I let the car cool f...

    2007 Mercury Grand Marquis LS Premium

    -

    Maintenance & Repair

  • humming sound till car warms up 2000 Marquis 1 answer

    I have a 2000 marquis and I hear a humming sound till the car warms up. what could it be?

    Mercury Marquis

    -

    Maintenance & Repair

  • anyone know how i can get my power windows working? i need all possibilities 2 answers

    Mercury Topaz

    -

    Maintenance & Repair

  • Humming noise at highway speeds 3 answers

    I have a 2000 Toyota Camry XLE V6. I couple months ago I got in a minor accident where I veered off the right side of the highway, the car dropped down on a jaggedy edge, and the front right tire and ...

    2000 Toyota Camry XLE V6

    -

    Maintenance & Repair

Grand Marquis
Looking for a Used Grand Marquis in your area?
CarGurus has 3,631 nationwide Grand Marquis listings starting at $995.
ZIP:

Search Mercury Grand Marquis Questions

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 1,830
#2 kbro
kbro
Reputation 1,040
#3 Tom Demyan
Tom Demyan
Reputation 440
View All

Related Models For Sale

Used Ford Crown Victoria"
30 Great Deals out of 1,589 listings starting at $1,750
Used Lincoln Town Car"
132 Great Deals out of 3,155 listings starting at $1,795
Used Chevrolet Impala"
1,891 Great Deals out of 55,977 listings starting at $995
Used Ford Taurus"
667 Great Deals out of 18,814 listings starting at $1,200
Used Cadillac DeVille"
67 Great Deals out of 3,287 listings starting at $1,750
Used Toyota Camry"
1,975 Great Deals out of 74,324 listings starting at $1,250
Used Buick Park Avenue"
27 Great Deals out of 850 listings starting at $1,400
Used Honda Accord"
1,527 Great Deals out of 64,667 listings starting at $800
Used Chevrolet Tahoe"
988 Great Deals out of 33,479 listings starting at $2,800
Used Ford Mustang"
1,066 Great Deals out of 24,084 listings starting at $950
Used Ford Explorer"
1,139 Great Deals out of 47,449 listings starting at $1,200

Used Cars For Sale

2011 Mercury Grand Marquis For Sale
38 listings starting at $11,990
2010 Mercury Grand Marquis For Sale
4 Great Deals out of 111 listings starting at $9,995
2009 Mercury Grand Marquis For Sale
6 Great Deals out of 156 listings starting at $8,490
2008 Mercury Grand Marquis For Sale
18 Great Deals out of 310 listings starting at $5,750
2007 Mercury Grand Marquis For Sale
10 Great Deals out of 247 listings starting at $4,500