anti lock light on 1999 Oldsmobile Alero

My Anti lock light and my traction off light will come on and stay on quite frequently Then when i shut the car off and turn it back on the lights will stay off for a little bit and then both will come on again at same time. What does this mean? a sensor possibly?

by in Elkhorn, WI on November 09, 2010
1 answer 2 comments
ANSWER by on November 09, 2010
The lights coming on, especially after driving a bit, is evidence of a fault within your ABS system (which your traction control is part of). You likely have a wheel sensor that has failed or is intermittently failing. Or, you could have a damaged or dislodged indicator ring...or corrosoion built up on either. Good luck.
COMMENT by on November 09, 2010
Thanks Dave, do you have any idea about how much the fix would be? is it important enough to have to fix it right away?
COMMENT by on November 09, 2010
How much depends on just what will be needed, and how difficult it is to remove a failed sensor, if that is what is found. My guess is you could likely spend between $200 - $300 for a solid diagnosis and a single wheel sensor replacement. It obviously would go up if other items or more is found. It is important enough to fix especially as we get into the winter months, where you will be needing the ABS and traction control in your Wisconsin winter driving. It could be all the difference in the world in preventing a collision. When the light comes on, your ABS system and traction control system cease working.
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