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  #1  
Old 08-10-2012, 03:41 PM
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2008 Ford F-150
 
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ABS Light just came on 1999 f-150 Why?

I have a 1999 f-150 and i just started up my truck and now my ABS dash light comes on once i start to move foward and it stays on.
Any ideas on what is up with this silly light??

Thanks
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  #2  
Old 08-10-2012, 03:46 PM
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Get it scanned to read the fault code.
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  #3  
Old 08-10-2012, 05:39 PM
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Wyatt Andserson Badstuff96
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I had a sensor out on my passenger front. It's either a sensor, or the module.
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  #4  
Old 08-10-2012, 06:34 PM
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could be several reasons. I've had them come on when the alternator was failing..
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  #5  
Old 08-10-2012, 07:37 PM
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Quote:
Originally Posted by 1997 lariat 4.6 View Post
I had a sensor out on my passenger front. It's either a sensor, or the module.
There are 21 different DTCs for the 4WABS on a 99 F150, only 2 of which pertain the the right front sensor, one static, one dynamic.

Like Dirty Harry famously said "Are you feeling lucky?"
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  #6  
Old 08-10-2012, 08:29 PM
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Quote:
Originally Posted by johnnysnok View Post
I have a 1999 f-150 and i just started up my truck and now my ABS dash light comes on once i start to move foward and it stays on.
Any ideas on what is up with this silly light??

Thanks
Ill help you and it will only cost you about $20 and 5 minutes to fix. On the rear axle behind the pumpkin there is a sensor. Those for some reason go bad and cause your abs dash light to go one. If you put a ob2 ready on your truck you will not get a code for it. Read post 29 on this thread.ABS Light
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  #7  
Old 08-11-2012, 08:38 AM
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If the rear ABS sensor is bad, it will light the ABS light BEFORE the vehicle moves. If the light comes on at 12 MPH on the first drive-off after start-up, it means the system failed its dynamic self-test. If it comes on intermittently and without pattern, it might be any one of a number of things.

Get the code read. A cheap OBDII scanner will not do the job. See the referenced thread in the previous post, it has more information in it.
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Last edited by projectSHO89; 08-11-2012 at 08:49 AM.
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  #8  
Old 08-11-2012, 09:30 AM
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+1 on getting a cheap OBD-II code reader. You NEED one in your toolbox just like you need a set of sockets or screwdrivers. Amazon has a good selection, mine was $50 but some are as low as $14.
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  #9  
Old 08-11-2012, 12:11 PM
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Howie:

Quote:
Originally Posted by projectSHO89 View Post
A cheap OBDII scanner will not do the job.
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Old 08-11-2012, 12:11 PM


 
 
 
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