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MAZDA PROTEGE 5 HAS ABS AND BRAKE LIGHT ON CONSTANTLY. AM TOLD THAT THERE IS A FAULTY SENSOR BUT THERE ARE 4 OF THEM AND THEY WANT ABOUT $250 A POP TO REPLACE EACH ONE WITH NO GUARANTEE THEY WILL GET THE RIGHT ONE. IS THERE SOME WAY TO IDENTIFY THE FAULTY SENSOR WITHOUT MAJOR EXPENSE?

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  • luckystar808 Feb 05, 2010

    CAN ONLY MAZDA DO THIS DIAGNOSIS OR CAN ANY GOOD MECHANIC DO IT?

  • luckystar808 Feb 05, 2010

    helpful

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The only way is with a diagnostic scanner. There should be a code that makes it alot easier to figure out which one, that is if it is a sensor issue.

On alot of cars when both brake and ABS light comes on at the same time it usually points to a computor issue. You should have code to help in diagnosing this also if it there.

Usually you start getting alot of failures after about 6 years of service on ABD modules.

Some can rebuilt alot cheaper than replacing them, Search online

Posted on Feb 05, 2010

  • Susan Price Feb 05, 2010

    any good mechanic can diagnose this, you do not have to use the dealer

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