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1995 gmc: ABS and brake light..At a slow speed..lights turn..25 mph

 
Ted G.'s Avatar
  • Answered by:Ted G.
  • ASE Certified Technician
  • Positive Feedback: 100.0 %
  • Accepted Answers: 1583
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Had a mechanic replace the CKPS, and did the MAF myself, car runs great now and...
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Very fast on his responses. Gives detailed answers, but in laymans terms for us...
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Customer Question

what can cause the 'ABS' and brake light on a 1995 gmc 3500 vandura to come on. At a slow speed the lights turn off then back on at around 20-25 mph. I haven't noticed any different braking power.

 

Optional Information:
1995 GMC 3500 vandura 350

Already Tried:
new master cylinder, or at least the front.

Submitted: 1680 days and 20 hours ago.
Category: Car
Value: $9
Status: CLOSED

Accepted Answer

Picture
Expert:  Ted G. replied 1680 days and 20 hours ago.

You will need to get the codes scanned, but I have seen this problem ocurr with bad wheel speed sensors. A scan of the system will point you toward which one it is.

Expert TypeASE Certified Technician
Category: Car
Pos. Feedback: 100.0 %
Accepts: 1583
Answered: 10/6/2008

Experience: 20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness

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