Watching your vehicle is very important nowadays, in truth, if you do not do the minimum service of it, or if you do not take into account alerts of abnormality, you highly risk to see your car withering away. This is specifically the theme we are going to focus on today, one of the indicators that most disturbs car owners is the ABS warning light on Mercury Grand Marquis. In an attempt to help you analyze this warning light, we will first look at what this ABS warning light corresponds to, then in a second what to do if the ABS light is on Mercury Grand Marquis?.

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What does the ABS light on Mercury Grand Marquis mean?

We will start our paper with the meaning of an ABS warning light on Mercury Grand Marquis, for this, in first, we will find out what an ABS is, and later on, why the ABS light on your car lights up.

What is the ABS on Mercury Grand Marquis?

First of all, it is vital to demonstrate to you what the ABS of your Mercury Grand Marquis is used for so that you can understand the rest of this content page. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The objective of this system is to optimise the braking distance of a car by preventing the wheels from locking, sliding on the road and you losing control of your car. The ABS system of your Mercury Grand Marquis is made up of several parts, here they are:

  • Speed sensors on each wheel, which will examine if one of the wheels locks up.
  • A hydraulic system and valves that will control the pressure of the pads on the discs to control the braking power of the car
  • A computer that is the control center of your entire ABS system as well as the ABS light of your Mercury Grand Marquis

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In truth, you can simply come to feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is exactly the actions that ABS enables, it will optimise braking to the maximum by associating the phases of pressure on the brake discs and the phases of release to prevent the wheels from locking up.

Meaning of an ABS light on Mercury Grand Marquis

Now we proceed to the part that you are most probably more interested in, meaning of an ABS warning light on a Mercury Grand Marquis? First of all, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be conscious that as soon as the ABS warning light is on, the ABS will be put into security mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Mercury Grand Marquis can alert:

  • It could be a simple short circuit, a damaged wiring harness, a defective relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A breakdown of one of them triggers the ABS light on your Mercury Grand Marquis to turn on
  • The ABS hydraulic block of your Mercury Grand Marquis: If it is defective it is possible that the indicator light will come on and you will no longer be able to use your ABS.
  • The ABS computer: If the computer has a problem, being the center of all decisions made to operate your ABS, the light will unavoidably turn on.

What if the ABS light turns on on my Mercury Grand Marquis?

We will now proceed to the part where we will try to give you some solutions to shut off this light, and thus answer the following question, what to do if the ABS light is on on my Mercury Grand Marquis?. The solutions will be based upon the deficiencies you are experiencing. First of all, pass your Mercury Grand Marquis to the diagnostic tool, if you don’t know how to read a fault code on Mercury Grand Marquis, don’t be reluctant to read our content page which explains the steps to take. Once you have located the origin of your issue, here are the steps to take to fix it and turn off the ABS light on your Mercury Grand Marquis:

  • Problem of the ECU or the hydraulic block: It can only be altered, and in this situation, you will have to go through a professional, but if it’s dead, it could cost you around 1000€ to replace the ECU and 1500 to 2000€ if you have to replace both of them.
  • Electrical issue: Once you’ve identified an electrical issue with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, otherwise you’ll have to repair the wiring harness.
  • A defective sensor: Occasionally a simple cleaning of the sensors will be enough to solve the issue, otherwise changing a sensor can cost up to a few hundred euros.

To find more tips on the Mercury Grand Marquis, take a look at the Mercury Grand Marquis category.