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Have a 1997 grand marquis and it started smoking under the hood and then it started to spark knock and then it would stall

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Check the knock sensor

Posted on May 02, 2010

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1 Answer

Engine stalls on acceleration and at times will not start


engine surges stall on acceleration could have faulty tps sensor.could have bad spark plugs or wires.could have clogged fuel injectors or clogged fuel filter check fuel pressure fuel pump could be failing.

Jan 03, 2013 | 1997 Mercury Grand Marquis

2 Answers

Car will start then stall out


This is indicative of a fueling problem. It could be out of or very low on fuel. It could mean trash or water in the fuel line. If it is just flooded temporarily, you should ease the accelerator to the floor and try again. If it continues, it is likely a problem with fuel injection or fuel pump. That it starts briefly indicates that it is "firing" and then losing the fuel supply or "flooding out". There is a fuel filter in the gas line between the fuel injection assembly and the gas tank--under the hood. This is the least expensive and first thing I'd check; after removing it, blowing it out (preferably with canned air or an air compressor or air pump). A temporary fix might be to physically move the car back and forth to "jiggle" it, you could also knock around under the hood near the fuel line and fuel pump. This might get it to start in order to get you to a repair facility. If the engine actually is not starting at all , then I would say that it could even be part of the security system and that you are using the wrong key and/or need to reset the system by using the outside door handle and then using the correct key (often indicated by the silver emblem on the key vs. no emblem). Remember, you have to have "fire" (a spark from a spark plug), "fuel" (which is ignited by the spark), and air (oxygen to feed the fire). If it is getting fire to start, then it pretty much has to be either fuel or air. That it is starting at all, seems to indicate that it is getting SOME fuel. Not getting air could be caused by a clogged injector port (or with an older automobile, a clogged carburetor valve), which purpose is to supply air. I hope this gets you started.

Sep 23, 2012 | 2005 Mercury Grand Marquis

2 Answers

What is the gap for the spark plugs on a 1990 Mercury Grand Marquis?


That should be under the hood on the Federal
Emission Label

Any spark plug manufactures web site, has it next to
the plugs avail to fit your engine code

May 24, 2012 | 1990 Mercury Grand Marquis

1 Answer

My car won't start. Someone sugested spraying starting fluid on the carburator, but I can't find the carb. (what was described to me) under the hood. What does it look like, and where is it located on a...


your car doesn't have a carbuterer, its fuel injected with a throttle body, and starter fluid id not a good idea, better to check for spark, fuel pressure and injector signal , one of them is missing

Dec 07, 2010 | 1990 Mercury Grand Marquis

1 Answer

Car ticking while accelerating up a hill


Sounds like a spark knock, your knock senson could be B/O. This sensor retards timing so motor will not knock under accelleration.

Aug 13, 2010 | 1996 Mercury Grand Marquis

1 Answer

1994 grand marquis break switch fuse keeps blowing


This means you have a shortage somewhere in you wires. I suggest rewiring your wires.

Mar 14, 2009 | 1994 Mercury Grand Marquis

1 Answer

1997 Grand Marquis will not start


change the idle air control valve.

Feb 11, 2009 | 1997 Mercury Grand Marquis

1 Answer

White smoke, very bad fuel loss, stalls when trying to idle


look under hood listen for vaccume leak find leak repair leak

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2 Answers

1997 Grand Marquis turn signals have failed. Checked all fuses, a posting on the web sight says to check the flasher unit, but the location that is indicated is no the porper location for the flasher unit....


There are 2 Locations that this Relay could be. There is a Panel inside the Car, Posibly Under the Dash? and one Under the Hood. The one under the Hood is called a Fuse Relay Box and Has a Lot of Relays for Different things in it. The Diagram of what is what in it Should be on the Inside of the Cover. let me know if you need more Help! Please Rate my Response, I need all the Help That I can Get! Thanks!

Jan 27, 2009 | 1997 Mercury Grand Marquis

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