Question about 2000 Mercury Grand Marquis
Intermittently won't start
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Posted on Jan 02, 2017
Check in the trunk and push the button on the Inertia switch. It should be on the drivers side of the trunk.
If this does not help, get a fuel filter and change it. If you can possibly get a fuel sample from the disconnected gas lines do it.
The new 10% gasohol will separate if it stands a few months. You may need to add fresh gas with a drying chemical like "Heet".
Posted on Apr 26, 2010
SOURCE: 2000 Mercury Grand Marquis
if the moisture was on the outside of the plug most likely water got into the hole. this causes high stress on the coil and causes them to break down. If the plug was replaced and the symptom returned
i would replace the coil.
Posted on Dec 21, 2008
There are eight COPs (coil-on-plugs) to remove. Using a 7mm or 9/32" socket, remove each bolt securing each COP to the intake manifold on top of the engine. Remove all eight COPs, and the spark plugs are underneath. When replacing the spark plugs, use only the proper Ford/Motorcraft plugs, even if they cost twice as much as the aftermarket ones. You will avoid further headaches this way. Hope this helps.
Posted on Mar 30, 2010
Hi, the wiring diagrams for the fuse are pasted below. It is possible for a fuse to blow without a short, if the right sequence of events happens to occur. If a fuse blows a second time, then we suspect a short and start looking for it. The wiring diagram does not lead to any obvious points. A short can occur in the cluster or in anything connected to it. This design seems to try to isolate the cluster from the components it's connected to, so I would first suspect the cluster as the source of the short. If a new cluster did not solve the problem, I would disconnect things that are connected to the cluster, put a fresh fuse in, and then reconnect each component until the fuse burned. You can try this without changing the cluster to see if the fuse will burn with everything disconnected. This is a way of confirming the problem is in the cluster before buying a new one. I'm not sure what the other expert told you, but this is the common line of thinking in the repair industry unless there are recalls or bulletins that indicate a common problem. I did review the recalls and TSBs, but did not see any applicable to your issue. You can read them here if you like: http://www.edmunds.com/car-maintenance/recalls.html?year=2000&make=&model=&styleId=12669&engCode=8VNAG4.6&transCode=AUTOMATIC&mileage=100000&zip=45390&type=recall
I hope this helps, and thanks for using FixYa.
Posted on Jan 17, 2011
SOURCE: My 1998 Mercury Grande Marquis
Who had the scanner, a repair shop?
Are you talking about a personal code reader?
Have you checked the fuel pressure at the rail?
We need more info
You haven't said what you do have, and what tests
determined what you have e.g. spark,fuel pressure.
Are you referring to the starter turning the engine over
or the engine not running?
Most llikely you have a failed fuel pump in the gas tank
Posted on Jan 31, 2011
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