2004 grand marquis idles up and down on it's own when i come to a stop

Asked by Mar 30, 2017 at 11:02 PM about the 2004 Mercury Grand Marquis GS

Question type: Maintenance & Repair

any ideas on what it can be or what i can check or test ?

5 Answers

37,925

Probably responding to unmetered air, check for vacuum leaks, PCV valve/elbow is a good place to start.

thanks i'm gonna take a look at that

Throttle position sensor and or bad gas and fuel filter just my opinion

Throttle position sensor TPS and bad gas prob fuel filter especially if u dont keep alot gas In it gas sucks bad these days

10

IAC, TPS, throttle body motor, MAF......

Your Answer:

Grand Marquis

Looking for a Used Grand Marquis in your area?

CarGurus has 7 nationwide Grand Marquis listings and the tools to find you a great deal.

Postal Code:

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
    Reputation
    6,100
  • #2
    kbro
    Reputation
    2,260
  • #3
    Js08016
    Reputation
    2,180
View All

Related Models For Sale

Used Lincoln Town Car
10 listings starting at $6,495
Used Ford Crown Victoria
21 listings starting at $4,986
Used Chevrolet Impala
25 Great Deals out of 874 listings starting at $2,894
Used Ford Taurus
16 Great Deals out of 367 listings starting at $3,900
Used Ford Mustang
36 Great Deals out of 1,245 listings starting at $4,685
Used Chevrolet Tahoe
10 Great Deals out of 783 listings starting at $5,900
Used Honda Accord
34 Great Deals out of 1,651 listings starting at $3,490
Used Chrysler 300
44 Great Deals out of 1,021 listings starting at $3,500
Used Toyota Camry
30 Great Deals out of 2,099 listings starting at $2,450
Used Ford F-150
142 Great Deals out of 11,520 listings starting at $1,995
Used Chevrolet Silverado 1500
104 Great Deals out of 11,055 listings starting at $4,950

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.