I have a 1999 mercury grand marquis. I changed the fuel pump and fuel filter. Change plugs and coils. When i sit in park it runs but when i get on the highway after 45 sec my temp gauge will come on

Asked by Perv May 24, 2015 at 11:56 PM about the 1999 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

and the car cuts off. Then it cranks
back up n drives after a while. The
check engine light also fades in and
out. My car was running perfect till i
changed the pump. Please help me

7,465

- Report

CamaroCollector answered 2 years ago

Have a scan to see if anything comes up to start with.

Mark helpful

- Report

migration_fordryder answered 2 years ago

Ok. And could a hear sensor maybe the problem. Cause my temp light cimes on wen.i do like 60 n shuts of

Mark helpful

- Report

migration_fordryder answered 2 years ago

Heat sensor i meant

Mark helpful

7,465

- Report

CamaroCollector answered 2 years ago

The scan would show if it's bad

Mark helpful

Your Answer

I have a 1999 mercury grand marquis. I changed the fuel pump and fuel filter. Change plugs and coils. When i sit in park it runs but when i get on the highway after 45 sec my temp gauge will come on 4 answers

and the car cuts off. Then it cranks back up n drives after a while. The check engine light also fades in and out. My car was running perfect till i changed the pump. Please help me

1999 Mercury Grand Marquis 4 Dr LS Sedan

-

Maintenance & Repair
I HAVE A 1984 MERCURY GRAND MARQUIS. I TURN THE KEY ON AND IT WILL GIVE IT A SHOT OF GAS AND STOPS. IF I HOLD THE KEY ON THE ON POSITION IT KEEPS GETTING FUEL BUT ONCE I LET GO IT STALL. IT HAS A NEW FUEL PUMP AND I CAN HEAR IT RUN WHEN I TURN THE KEY ON. HOPE YOU CAN GIVE ME AN IDEA WHAT TO LOOK FOR. THANKS MARIO 2 answers

I HAVE A 1984 MERCURY GRANDMARQUIS. WHEN I TURN THE KEY ON IT GETS ONE SHOT OF GAS AND STOPS. IF I HOLD THE KEY ON THE ON POSITION IT WILL KEEP GETTING GAS, BUT ONCE I LET GO IT STOPS. HOPE SOMEONE ...

1984 Mercury Grand Marquis

-

Maintenance & Repair
I HAVE A 1999 MERCURY GRAND MARQUIS IT IS BLOWING AC BUT WHEN I SPEED UP IT BROG DOWN AND BARELY BLOW IS IT ONE OF MY VACCUM 3 answers

I NEED TO FIND OUT WHERE ARE MY AC VACCUM LOCATED AT AND COULD I LOOK AT A DIOGRAM OF IT 1999 MERCURY GRAND MARQUIS

1999 Mercury Grand Marquis 4 Dr LS Sedan

-

Maintenance & Repair
will the computer reset after doing all this when the battrey has gone done and then recharged . because i have the same problem as number one grand marquie the feul pump come on but now it dont make 2 answers

I guess I have to wait and let the computer reset its self I been trouble shooting for months a little at a time so any help is nice

Mercury Grand Marquis

-

Maintenance & Repair
I have a 2009 Mercury Grand Marquis Ultimate Edition and the air blows in different places when ever it wants. It may go from the floor to the panel and then to the defroster constantly moving when it 1 answer

I have a 2009 Mercury Grand Marquis Ultimate Edition and the air blows in different places when ever it wants. It may go from the floor to the panel and then to the defroster constantly moving when ...

2009 Mercury Grand Marquis LS

-

Maintenance & Repair

Looking for a Used Grand Marquis in your area?

CarGurus has 1,835 nationwide Grand Marquis listings starting at $2,000.

Used Ford Crown Victoria

16 Great Deals out of 1,221 listings starting at $1,595

Used Lincoln Town Car

36 Great Deals out of 1,791 listings starting at $1,500

Used Chevrolet Impala

592 Great Deals out of 34,064 listings starting at $899

Used Ford F-150

2,059 Great Deals out of 207,350 listings starting at $1,499

Used Honda Accord

947 Great Deals out of 77,741 listings starting at $899

Used Ford Taurus

270 Great Deals out of 20,574 listings starting at $1,995

Used Cadillac DeVille

4 Great Deals out of 1,627 listings starting at $1,988

Used Buick LeSabre

19 Great Deals out of 1,919 listings starting at $1,000

Used Chevrolet Tahoe

557 Great Deals out of 31,373 listings starting at $1,500

Used Ford Mustang

537 Great Deals out of 45,845 listings starting at $1,999

2011 Mercury Grand Marquis For Sale

33 listings starting at $4,495

2010 Mercury Grand Marquis For Sale

88 listings starting at $3,150

2009 Mercury Grand Marquis For Sale

6 Great Deals out of 83 listings starting at $3,599

2008 Mercury Grand Marquis For Sale

11 Great Deals out of 138 listings starting at $2,250

2007 Mercury Grand Marquis For Sale

8 Great Deals out of 132 listings starting at $2,495

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.

#1		Tracy Hooks Reputation 5,520
#2		kbro Reputation 2,080
#3		Js08016 Reputation 1,790

I have a 1999 mercury grand marquis. I changed the fuel pump and fuel filter. Change plugs and coils. When i sit in park it runs but when i get on the highway after 45 sec my temp gauge will come on

4 Answers

Your Answer

Related Questions

I have a 1999 mercury grand marquis. I changed the fuel pump and fuel filter. Change plugs and coils. When i sit in park it runs but when i get on the highway after 45 sec my temp gauge will come on 4 answers

I HAVE A 1999 MERCURY GRAND MARQUIS IT IS BLOWING AC BUT WHEN I SPEED UP IT BROG DOWN AND BARELY BLOW IS IT ONE OF MY VACCUM 3 answers

will the computer reset after doing all this when the battrey has gone done and then recharged . because i have the same problem as number one grand marquie the feul pump come on but now it dont make 2 answers

I have a 2009 Mercury Grand Marquis Ultimate Edition and the air blows in different places when ever it wants. It may go from the floor to the panel and then to the defroster constantly moving when it 1 answer

Looking for a Used Grand Marquis in your area?

Shortcuts

Search Mercury Grand Marquis Questions

Mercury Grand Marquis Experts

Related Models For Sale

Used Cars For Sale