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How do you disconnect traction control on a 2003 mercury marquis

Car cuts out with least bit of acceleration

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  • Mercury Master
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Traction control is safety feature for vechicle.cannot disconnect it .part of PCM command.have vechicle code scan could have bad wheel bearing.i had it to happen to me.

Posted on Apr 03, 2019


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6ya staff

  • 2 Answers


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Posted on Jan 02, 2017


Michael Shanley

  • 42 Answers

SOURCE: 2003 Ford Windstar Traction Control engaging while driving

If it happens alot I would replace your traction control mechanism. Otherwise it may have just been one of those fluke car things

Posted on Jan 08, 2009



  • 112 Answers

SOURCE: Replacement of the thermostat in my 2003 Mercury Grand Marquis

yes you can,drain coolant from the radiator,remove radiator hose,detach the thermostat cover from engine , remove the thermostat noting the direction in which it was installed in block. remove the gasket and thoroughly clean the sealing surface , refit the therostat.rifitting is the reverse of removal.

Posted on Jan 20, 2009


Bryan L

  • 1 Answer

SOURCE: Mercury grand marquis 1997 temperature control

I'm not sure if yours is identical to mine since yours is second gen and mine is third gen, but with mine (1998 MGM), the heat was stuck on all the time. Full heat would practically cook your feet and you couldn't shut it off.

It was a servo/servo arm that controls the hot/cold mix door. The part was $15. The labor was $700. They had to take the entire dash out of the car to get at the part. Required two more visits due to a missed electrical connection to a daylight sensor and a vacuum issue that made the car stall when put into reverse.

My car had 150K on it at the time. Has 165K on it now. Still runs great and looks great. It's now my wife's auto and I drive a 2006 MGM.

Posted on May 13, 2009


  • 5692 Answers

SOURCE: rapid acceleration

Contact dealer and ask about recalls.

Posted on May 22, 2009


SOURCE: I have a 2001 Mercury

Posted on Feb 26, 2011

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Why do the traction conrol buttom keep popping up when i cut it off

Have someone look at the rear Emergency brakes. The traction control counts the tire revolutions on the rear wheels. Loose pieces of the rear emergency brakes interfere with the count. This will reoccur every time the car is restarted.

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2003 mustang when traction control light comes on the car lose power almost like shutting down, when it goes off it pick up speed.

The traction control system DOES cut your engine power when the tires spin. That is by design. The system cuts engine power to stop the wheels spinning and restores power once the wheels regain traction. It feels odd when the tires spin and power cuts out. It's good practice to lift off the accelerator when the system kicks in. Otherwise, if you are on gravel or slick streets the tires may spin, stop when traction control kicks in, and then spin again when power is restored. It is not an "elegant" solution but it does work for the most part.

Apr 03, 2014 | 2003 Ford Mustang

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Abs traction control module

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I have got a mercury grand marquis 2003 LS ultimate and having a knocking noise for few seconds when accelerating sometimes specially when the engine is hot and that will reduce the power. any ideas?

When you say the engine is hot are you talking about the normal operating temperature? Has the Check Engine or Service Engine light come? If so, was the On Board Diagnostics system checked for a codes? Usually a knocking sound during acceleration indicates a improper fuel mixture or low octane.

Jan 19, 2013 | 2003 Mercury Grand Marquis

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Can you turn off traction control on a mercury grand marquis

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Dec 31, 2012 | 1999 Mercury Grand Marquis

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2003 lincoln ls traction control always on

Have the ABS Braking System tested

You most likely have a Bad Wheel Speed Sensor

The Control Switch on console does absolutely nothing,I know
I have a 2004 LS

You can not disconnect a thing
I have the factory wiring diagrams &
the answer is no

You have dash lights on-- why have you not checked for
codes & resolved the problem,same procedure when
ever any dash light stays on after motor is running

An dash light on you have an OBD2 system failure

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I have a 98 grand marquis and the traction control kicks in a 35mph and its like it doesn't get any more power. Does anyone know what could cause this?

Traction Control kicking in would mean that one or more wheels were slipping (as in ice and snow).
Usually, traction control won't get you any more 'power' but will just prevent a slipping tire/wheel from slipping too much by applying brakes to the tire/wheel in question.

Good luck on this.

Feb 14, 2011 | 1998 Mercury Grand Marquis

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2003 Grand Marquis LS Ultimate ac switches from blowing in dash vents to defroster vents on its own. What controls the valve and where is it located?

Does it only change when going uphill, or under heavy acceleration? Or is it just when ever it feels like it? Generally, it's vacuum controlled and on a Ford, loss of vacuum when accelerating or pulling a grade under heavy loads can be normal, causing the air to come out of the defrost. To answer your question, the blower door is located in the dash, generally behind the radio area.

Good luck!

May 22, 2010 | 2003 Mercury Grand Marquis

1 Answer

Changed the fuel pump onmy 99 grand marquis and now the traction control wont turn on and abs light is on

check relays/ wiring and connections may have been damaged or disconnected while doing fuel pump if looks ok have vehicle scanned code will tell u if unit or if sensor and which sensor most auto stores such as auto zone-advanced auto will do if for free

Oct 18, 2009 | 1999 Mercury Grand Marquis

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