Question about 2001 Mercury Grand Marquis

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Reset computer after egr or sensor repair 2001 mercury marquis LS is there a brochure for this?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1986 Answers

SOURCE: how to remove the egr valve on a 1993 mercury

Jack up the passengers side of the car, get a 1 1/16" wrench break loose the fitting to the manifold, hold a 24 mm wrench on the fitting to the manifold, loosen the flare nut on the tube. Then using a 10 mm socket, about 2 inches long, loosen the two nuts under the EGR valve, then take the both out, remove the vacuum hose to the top of the EGR valve, and the sensing line from the small tube. then completely remove the flare nut from the orifice fitting on the manifold. BE CAREFUL with the tube, do not bend it or break it, you may find PB blaster useful the night before on a cold engine loosen these fittings. Once the EGR valve is out, remove the orifice out of the manifold, remove the tube from the EGR valve, again be careful, mark the tube to EGR position before pulling this off, because the top fitting to EGR needs tightened before you put it back in, it will make the lower fitting difficult if you do not line it up right, dry fitting from under the car is helpful, mark it, and then tighten the top. Clean out the tube, be careful not to bend the little tube, either inside or outside the larger tube, it sticks out inside. Clean the orifice, clean the manifold face carefully not to score it, check for blockage there too. Apply anti-seize to the orifice, put it back in the manifold, then apply anti-seize to the bolts for the EGR valve, and the flare nuts both ends. Apply some silicon to the EGR valve face, just enough to hold the gasket in place, put the new gasket on, start the bolts two turns in the gasket, it will hold them in place, then start them in the manifold, then start the lower flare fitting to orifice, tighten the top bolts, and then the flare nut, connect the vacuum line, connect the sensing line. I just recently did this process, it works, if have other EGR issues, the valve is the easiest.

Posted on Oct 13, 2009

  • 105 Answers

SOURCE: 2001 mercury marquis security alarm activated car

Try turning the ignition to on and wait about 10 minutes. Assuming it has been flashing, it will stop when it is reset. This problem will most likely occur again in the future.

Posted on Mar 14, 2010

Ford007
  • 131 Answers

SOURCE: My 2001 Mercury Grand Marquis LS has this jerking

You have a described one of the coils going bad. You need to ru na power balance test to determine which cylinder it is so only one is replaced.

Posted on Mar 17, 2010

Testimonial: "Thank you, I will get right to it"

ZJLimited
  • 17970 Answers

SOURCE: I need a firing order diagram for a 1993 mercury

1993 Mercury Grand Marquis 4.6 liter SOHC V-8 VIN "W" (click for zoom)

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Hope helps (remembe rated and comment this).

Posted on Sep 03, 2010

  • 5495 Answers

SOURCE: How to reset Check Engine

You can remove the NEG battery terminal for 10 minutes and it will clear. Or go to Autozone or Oreillys for a free scan, find out why it came on, then have them clear it with their scanner.

Posted on Dec 02, 2010

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3 Answers

How to turn the airbags off


TURN AIR BAGS OFF OF WHAT? Make, model, year. Duh

Sep 03, 2015 | 2001 Mercury Grand Marquis LS

1 Answer

How to remove speed limiter from 2001 Mercury Grand Marquis LS


I am not familiar with this particular system, but where can you legally go that fast? Some older Chevys had a device on the rotor that would limit top RPM, but I believe modern cars may have either a limit chip in the ECU, or a software limit. Check with a shop that uses a dyno for tuning and they should be able to help. Keep the greasy side down!

Jun 03, 2014 | 2001 Mercury Grand Marquis

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EGR PRESSURE FEEDBACK SENSOR 2001 Mercury Marquis. Where is it


Remove the appearance cover. Looking from the front of the car towards the windshield it is in the back left section in front of the wall, has a connector and two vacuum lines.

89009000

Jan 02, 2013 | 2001 Mercury Grand Marquis

2 Answers

Have 2001 mercury sable LS changed plugs, wires, egr valve after the computer said it was egr valve. still have a bucking problem. what could it be?


Computers do not diagnose your vehicle
They do not tell you what is wrong or what
to replace.

Study OBD2 Systems

You just got an EGR Code,that
had to be diagnosed

Feb 21, 2011 | 2001 Mercury Sable

1 Answer

How to replace cop on 2001 mercury grand marquis ls


Hire a new one and tell the old one he is FIRED!

Sep 28, 2010 | 2001 Mercury Grand Marquis

1 Answer

Does a 2001 Mercury Grand Marquis Ls Have Stock Air Suspension ?


Yes It is standard on Top end versions and optional on the base models.

Aug 03, 2010 | 2001 Mercury Grand Marquis

1 Answer

The computer code said that I needed to replace my EGR valve on my 2001 Mercury Grand Marquis. I had it replaced and it is still giving me the same code. What else could make it give that code?


You need to clear the code by disconnecting the battery cable for 10 minutes. If the code reappears you should take the Airhorn off and clean under the gasket. Buy a new gasket and reattach the 8 bolts.

This is especially true if the Flow from the EGR was insufficient, a 401 code. There is a sensor at the rear of the engine which has 2 short vacuum lines and 1 electric plug. But try cleaning under the Airhorn first.

Apr 13, 2010 | 2001 Mercury Grand Marquis

1 Answer

Check engine code reading ''Map Board Sensor, High Input'' and a second engine code ''EGR Sensor, High Input'' Light just came on. Vehicle is a 2005 Mercury Gran Marquis with 85,000 miles on 4.6L V-8. ...


means your egr is malfuctioning or needs to be cleaned. the high imput means the egr is allowing for exhast gases into the combustion chamber and the map code is caused by the egr as well.

Nov 12, 2009 | 2005 Mercury Grand Marquis

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