idles rough

Asked by May 28, 2008 at 08:20 PM about the 1997 Mercury Mystique 4 Dr GS Sedan

Question type: Maintenance & Repair

2 Answers

3,465

You probably have a vacuum leak, either the pcv hose from the intake, or even an egr valve gasket gone bad. A shop with a smoke machine can find vacuum leaks.

35

I don't know if the 97 has the same idles setting as the 98 but i already went to 2 different shop and they told me for this car it is normal.

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

  • rough idle at start up 1 answer

    car starts fine but idles rough when cold

    Mercury Capri

    -

    Maintenance & Repair

  • 2000 Merc- Rough Idle 2 answers

    Replaced my intake manifold and coolant leak is gone ( HOORAY!!) and my car is running at normal op temp. I have had a rough idle for maybe 6 weeks now ( before manifold replacement) but it did get ...

    2000 Mercury Grand Marquis GS

    -

    Maintenance & Repair

  • Problem with rough idle 3 answers

    I have a 2000 Mercury Sable with a 3.0L DOHC V6 Duratec engine. Sometimes at cold start up it run really rough and will cause the check engine light to come on. I have taken it to a parts store and ...

    2000 Mercury Sable LS Wagon

    -

    Maintenance & Repair

  • Grand Marquis 2000 idling rough and missing 5 answers

    My car took a balljoint break down and the hit made the security theft engage I jud got it out the shop after they got it too crank and wen I crunk it the engine was idling rough I notice too spark...

    2000 Mercury Grand Marquis GS

    -

    Maintenance & Repair

  • rough idle 1 answer

    Rough idle

    1999 Toyota Tacoma Prerunner

    -

    Maintenance & Repair

Search Mercury Mystique Questions

Mercury Mystique Experts

#1 gjm7403
gjm7403
Reputation 490
#2 Kirk Sanichar
Kirk Sanichar
Reputation 370
#3 jb84
jb84
Reputation 250
View All

Related Models For Sale

Used Honda Civic
657 Great Deals out of 88,604 listings starting at $995
Used Ford Contour
107 listings

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.