Grand marquis problem

40

Asked by Jacque87 Oct 21, 2017 at 10:03 PM about the 1999 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

I have a 99 grand marquis Ls I started having a problem
with it a little over a month ago. I only have 115000 miles
on it.  So I can ride for about 30 minutes in my car and if I
stop at a light the car because to studder then it cuts off.
It won’t crank back up till about 30 to 45 minutes later. Or
I can let my car run idle for 30 minutes in my drive way at
home cut it off and try to crank it , but it only cranks for 1
sec turns off. I’ve change spark plugs,coils, fuel filter, fuel
relay, alternator, battery, belt, I cleaned iac out don’t know
what it could be car runs ruff. Any suggestions

5 Answers
40

Jacque87 answered 6 years ago

Honestly it look very new already do think that would cause the issue I’m having. I can let my car run for 30 minutes. Turn it off and when I crank it cranks for like a second or two and dies cut off on me at the traffic light the other day very frightening had to push it out the way don’t want to keep throwing parts at it

3 people found this helpful.
Mark helpful

F_O_R answered 6 years ago

Try banging on the IAC with a piece of wood. If the idle improves you need a new IAC.

Mark helpful
40

Jacque87 answered 6 years ago

I’m not sure that’s the problem I’ve just been trying everything again car will idle fine I can keep it running for 30 minutes cut it off and try to crank it and it cranks for two seconds and dies

Mark helpful

Your Answer:

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