How do I determine if a speed sensor is bad and which wheel has the bad sensor?

Asked by Jun 28, 2017 at 01:23 PM about the 2005 Mercury Sable LS

Question type: Maintenance & Repair

Getting a warning to check brake system. Fluid is full and was told the ABS was good. Was told to check the speed sensor and not sure which way to proceed and which wheel to check. Could you please advise to the best course of action.

2 Answers


If you have an ABS code reader see if any codes are present which may tell you which speed sensor is bad.

I don't have an ABS code reader so what would you recommend?

Your Answer

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