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Originally Posted by cgramona
I have a 1996 Taurus LX with 136K with an ABS light problem. When I first start the car the light goes off but as soon as I go a few feet forward it comes on and stays on. Is there any code that can be read to detrmine this problem since it only comes on after the car is rolling? I have only seen my mechanic read the codes when the car is stationary, is it possible for the reader to be used when the car is moving?
Thanks
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You wouldn't happen to be near Cedar Rapids, Iowa, are you? If so, I have an OTC Genisys scan tool with the ABS software and can read the codes as well as monitor the 4 wheel speed sensor circuits real-time while riding in the car. If you can find a shop that has the OTC Genisys or maybe the Snap-On reader with the ABS software, they should be able to do the same.
From your symptoms, I would bet that you have at least one circuit that is not reading accurately, either open or shorted.
I just fixed a friend's Malibu that was doing the same thing. As soon as he started moving forward after backing out of the driveway the ABS light would come on. While monitoring the readings the tool showed that on left hand turns the right front speed reading would drop to zero until the steering straightened out. Of course he always backed out of his driveway the same direction. On that one, the wiring to the sensor was too tight and on left turns would pull the connector enough to make an intermittant connection.
Fixed another Chevy that would set the ABS light the first time of the drive she hit a large bump. On that one, the right front ABS sensor wire was pinched between the lower control arm and spindle. Everytime she hit a bump the wire would open and the sensor would read a wheel speed of zero momentarily. Had to replace a section of wire and properly route it.
-Rod