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02-13-2021, 05:54 PM | #1 |
Junior Member
Join Date: Feb 2021
Posts: 26
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ABS warning light
What is the problem when the ABS and Traction assist dash warning lights stay lit on an 2008 Merc Grand Marquis. I don't have access to OBD 2 code reader.
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02-13-2021, 06:51 PM | #2 |
Senior Member
Join Date: Oct 2014
Location: NE Iowa
Posts: 1,664
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Re: ABS warning light
Sounds as though it may be a wheel speed sensor, any way you can take to local parts store to start with. They will usually plug in for you in hopes of making a sale of parts. The parts stores are not all bad, some staff will bend over backwards for you. JMO
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02-13-2021, 07:03 PM | #3 |
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Join Date: Mar 2016
Location: LaGrande Oregon
Posts: 866
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Re: ABS warning light
I had a similar issue. It was the big 30 amp fuse that had blown. Mine was under the hood in the fuse panel there.
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02-16-2021, 08:24 AM | #4 |
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Join Date: Sep 2018
Location: Wilmington, NC
Posts: 159
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Re: ABS warning light
Sort of a similar problem.... I've got a '98 Acura CL that I've owned since new. The ABS sensor light on the dash has been on for over 12 years now. The ABS does work, but it'd be over $500 to get the light to go off. Naturally, I just taped a small piece of dark duct tape over the light on the dash, and drive merrily on. No problem. I'm not kidding.
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02-16-2021, 09:05 AM | #5 |
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Join Date: Jul 2011
Location: Birmingham, AL
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Re: ABS warning light
Almost any parts house will scan the computer for you at no cost.
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Bill, certified Ford nut. 2016 F-150 2016 Focus 08 Shelby GT500 57 Ford Ranchero 36 Chevy, 351C/FMX, 8", Mustang II |
02-16-2021, 09:27 AM | #6 | |
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Location: IN A 'GALAXIE' FAR FAR AWAY
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Re: ABS warning light
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Quote:
I would get it scanned and go from there.
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02-16-2021, 05:57 PM | #7 |
Junior Member
Join Date: Feb 2021
Posts: 1
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Re: ABS warning light
Ok , first check and make sure your brake fluid is not low.
Then read the code if it’s still lit. Autozone or advance can do that. Post what you find. Can’t hurt to try and disconnect the battery for 30 minutes But if it’s a hard fault some have to be cleared with a scanner. Cliff |
02-17-2021, 10:44 AM | #8 |
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Join Date: May 2010
Location: The Inland Empire of Washington State
Posts: 368
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Re: ABS warning light
As mentioned, get someone with a code reader to check it. After working on Ford cop cars for the last 20 years, I can tell you that the ABS module is a high failure item, but red the codes first
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02-17-2021, 11:30 AM | #9 |
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Join Date: Sep 2018
Location: Wilmington, NC
Posts: 159
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Re: ABS warning light
That estimate was from the dealer during annual state inspection. That was when I lived in Pennsylvania and the ABS would work, per the dealer, and actually when I hit snow once and slammed on the brakes the ABS shuddered into action. Now that I'm living in NC, I never see snow. Having the light indicator on doesn't bother me in the least. I'm just going to continue to ignore it. No problem.
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02-17-2021, 06:50 PM | #10 | |
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Location: IN A 'GALAXIE' FAR FAR AWAY
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Re: ABS warning light
Quote:
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03-30-2021, 06:22 PM | #11 |
Junior Member
Join Date: Feb 2021
Posts: 26
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Re: ABS warning light
Thanks everyone for helpful replies and suggestions. Turned out to be brake fluid in master down abt a 1/2 inch but not enough to affect brake action. Filled it up and lights went off. Thanks again for replies.
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03-31-2021, 06:22 AM | #12 |
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Join Date: May 2010
Location: Kingman Az. 86409
Posts: 419
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Re: ABS warning light
You always have to first approach a repair diagnosis with the KISS principle. Keep It Simple Stupid. Many people see a warning light on in one of the newer computer controlled vehicles and their hair catches on fire. You need to step back for a second and look at the basic things first. A low brake fluid level is a common occurrence on more than just a Grand Marquis. The Aerostar would turn the light on when the brake light bulbs burned out. Plenty of time to panic after you rule out the easy things.
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03-31-2021, 07:34 AM | #13 |
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Join Date: Aug 2012
Location: IN A 'GALAXIE' FAR FAR AWAY
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Re: ABS warning light
I believe it is referred to as following a basic DIAGNOSTIC SEQUENCE.
Sure saves on wear and tear and repair costs.
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***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
03-31-2021, 09:06 AM | #14 |
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,436
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Re: ABS warning light
Yep, easiest things first is the best way to troubleshoot.
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03-31-2021, 11:01 PM | #15 |
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Join Date: Oct 2011
Location: elmira,ny
Posts: 1,517
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Re: ABS warning light
had ABS light on in my old windstar van after a really hard braking on a steep hill. changed the fluid in the master cyl. and was all ok.
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04-23-2021, 11:38 AM | #16 |
Junior Member
Join Date: Feb 2021
Posts: 26
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Re: ABS warning light
Thanks for all suggestions and answers. Got a code reader but no codes came up. My S-I-L came over and helped me go thru things again because the light kept coming on intermittently. Found one bulb in the brake light in the back window was out so we replaced that. Haven't seen the warning light since except as normal.
Last edited by F-150 guy; 04-23-2021 at 02:11 PM. |
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