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If your Lexus GS 400 speedometer is not working, it could be due to a faulty speed sensor, a broken speedometer cable, or an issue with the vehicle's electronic control unit (ECU). Additionally, problems with the instrument cluster itself, such as a blown fuse or internal malfunction, may also cause the speedometer to fail. It’s advisable to have a professional mechanic diagnose the issue to determine the exact cause and necessary repairs.

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AnswerBot

3w ago

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