Grand Marquis 2000 idling rough and missing

10

Asked by Dmcclinton21 Nov 07, 2016 at 09:29 PM about the 2000 Mercury Grand Marquis GS

Question type: Maintenance & Repair

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
plugs wasn't cathing fire it not the plugd or the
coils witch make me think it's a computer problem
but wen I put the diagnostic  machine on it the
code say bad circuit and now wen I switch from
park too drive the car feels like it's about too cut off
I have kno idea wat it could be maybe the wire
harness or maybe the computer idk I jus need help

5 Answers

F_O_R answered 8 years ago

What code(s) did you get? I would suspect a bad coil.

1 people found this helpful.
Mark helpful
10

Dmcclinton21 answered 8 years ago

I thought it was the coils too the front too coils on the driver side aren't getting fire I put new coils in still no fire then the tested the plugs I thought we're bad and it turn out the we're good I switched the wiring as well still no luck

Mark helpful
159,335

Bob answered 8 years ago

Switch the coils and plugs from the cylinders that are missing with the coils and plugs from known good cylinders. If the miss moves it is either the plug or the coil. If the miss does not move then it could be a fuel injector or wiring issue.

Mark helpful

Your Answer:

Related Questions

  • 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

  • 2000 Grand Mercury Marquis 2 Answers

    I just bought a 2000 Grand Mercury Marquis I've change the cooling fan but it's not turning on the car is not overheating also I want to know why the fan is not turning on ?I want to know where is ...

    2000 Mercury Grand Marquis LS

    -

    Maintenance & Repair

  • 2000 mercury grand marquis heater hose repil;cement 1 Answer

    2000 mercury grand marquis heater hose replacement

    2000 Mercury Grand Marquis LS

    -

    Maintenance & Repair

  • 2000 grand marquis 1 Answer

    My 2000 grand marquis air blows and stop I don't know why you blows and stop all the time

    2000 Mercury Grand Marquis LS

    -

    Maintenance & Repair

  • 2006 Grand Marquis, Intermittent Rough Idle followed by Overheat 19 Answers

    I have a 2006 Grand Marquis, Normal 4.6L V8. Every couple days, my car will randomly begin idling seriously rough, with the rpms dropping to 300-500, then jumping back to normal every few seconds....

    2006 Mercury Grand Marquis LS Premium

    -

    Maintenance & Repair

Grand Marquis

Looking for a Used Grand Marquis in your area?

CarGurus has 2 nationwide Grand Marquis listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Mercury Grand Marquis Questions

CarGurus Experts

  • #1
    Tracy Hooks
    Reputation
    9,860
  • #2
    Trippmeister
    Reputation
    5,150
  • #3
    Bob Beaman
    Reputation
    3,890
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford Crown Victoria
3 listings
Used Lincoln Town Car
4 listings
Used Toyota Camry
68 Great Deals out of 1,090 listings starting at $3,500
Used Buick LeSabre
1 listing
Used Lincoln Continental
8 listings starting at $17,900
Used Chevrolet Impala
8 Great Deals out of 91 listings starting at $3,795
Used Ford Mustang
56 Great Deals out of 1,377 listings starting at $4,995
Used Ford F-150
305 Great Deals out of 14,144 listings starting at $1,712
Used Chevrolet Silverado 1500
177 Great Deals out of 5,872 listings starting at $2,975
Used Chevrolet Tahoe
12 Great Deals out of 889 listings starting at $12,900
Used Honda Accord
47 Great Deals out of 986 listings starting at $1,995

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. Content will be removed if CarGurus becomes aware that it violates our policies.