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hhhmmm 2004 mazda 6. abs warning light is on. took it to a dealer wiht at scanning computer. it says back right sensor.. new sensor.. abs light is stil on.. well. then i change til wheelbearing (abs ring) the light i still on.. anybody had the same problem?
 

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I would do some more troubleshooting prior to throwing more parts at it. It's possible that you have multiple issues and dealership only fixed one..

Write down the current DTC. Clear the system and check for what came back.



Test all four corner speed sensors and rings. Make sure it's clean of rust/crud/debris etc.

Check the actual function of the sensors itself.

Check the integrity of the wiring and harness. Making sure there's no corrosion or breakage

Observe the signal coming from and to the ECU. Cross it with FSM


(╭☞ ಠ ͜つ ಠ )╭☞ r=1+sinθ
 

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Good advice from @Oppa above. It may be worthwhile to check all the ABS sensors at all the wheels. Look for crushes and abrasions. Perhaps unplugging and re-plugging the sensor connectors at the corners as well.
Good Luck.
 
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