If the light is coming on, there is a fault code being set.
The ABS system can be complex and, not that many people are
competent to diagnose or repair it. Most small shops do not
even have a way to accurately read the fault codes. You nee
to have a well equipped independent shop or a dealer run a
diagnostic scan for the codes relared to the ABS system.
Only then can the system be intelligently diagnosed. You
need to get this checked. You do not want to have a brake
system that may be out to lunch when you need it most. I
would rather have no ABS than an ABS system that I cannot
rely on. Think about it.
All that said, the most problematic part of the system are
the wheel sensors but, you will have no idea which one w/o a
diagnostic code scan. There are several other components
that will also cause problems like this.
it will have a "keep alive" code stored in memory. So if the light was
on recently they should be able to get the code.
Do you have the experience to clean the wheels sensors? If so, try that
first. Basically pull the wheels and clean the crap off of them.
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