Question about 1999 Mercury Grand Marquis

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Car no start new fuel pump

Has spark no injector puls mercury grand marquis 1999 the securyti lights blinks faster

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You need to get any codes stored before any work is started. This will help prevent throwing parts at it when unneeded. . No injector pulse usually indicates a bad crank sensor or a failed fuse or PCM. This is providing you don't have a security lockout.

If you have a security issue a code should be stored for it. This would of told you what system is the problem. Not all code readers will pick up security codes so don't rely on your autoparts code reader to be accurate.

Posted on May 27, 2010

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I Have a 1999 Grand Marquis that's misfiring losing power high fuels smell come from tail pipe. While driving for a min check engine light blink on in off put it on a machine in it told me

If you have no exhaust converter:

You are violating Federal Regulations
You can not go to inspection
Your poluting the air
You have no place for your oxygen sensors to go,so you
have no fuel control at all & thus it has a misfire

No vehicle can be used like that

There is no test equipment that tells you what is wrong

You have to use the data to find a problem

Why would there be no converter on the car?

Dec 01, 2014 | 1999 Mercury Grand Marquis

1 Answer

1999 mercury grand marquis electrical problems

check the ground frrom neg batt to frame. clean connection and tightn it and make sure the batt cable clamps r tight n still good

Feb 28, 2013 | 1999 Mercury Grand Marquis

1 Answer

1998 grand maquis crank no start no injector pulse as well as no ignition spark. Have changed crank sensor, cam sensor, fuel pump, pcm, injectors and still no start no voltage to sensors or injectors.

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

Click this link below and follow the troubleshooting:------


This will help.


Feb 20, 2012 | 1998 Mercury Grand Marquis

1 Answer

1999 mercury marquis wont start, turns over fine, think its the fuel pump, not sure.

Check the fuel pressure at the injector rail.Or hook it up to OBD II code reader, which should give the average fuel pressure.
Do you hear the fuel pump run for a second or two when you first turn the key to `ON' position? That means your fuel pump reset hasn't tripped(for collision purposes,but sometimes needs reset).
When all else fails, go to Ford and they will hook it up for 50-70 bucks and tell you what is wrong.
If you can give more details, post back and let us know. don-ohio (:^)

Nov 02, 2011 | 1999 Mercury Grand Marquis

1 Answer

Engine turns but doesn't start

check fuel and spark, If you dont have Spark its the crank sensor, If you dont have fuel? Check the inertia switch in your trunk, If its pressed, you will need a fuel pump

Jun 15, 2010 | 1999 Mercury Grand Marquis

1 Answer

Has spark no start has new fuel pump

Replace the fuel pump relay located in the fuse/relay box in the engine bay.

May 27, 2010 | 1999 Mercury Grand Marquis

3 Answers

Misfire on cyl no 1 on a 01 merc grand marq

need a noid lite to check injector and coil pulse

Apr 25, 2009 | 1999 Mercury Grand Marquis

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