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19/03/2022 2:47 pm
Topic starter
I have an 06 highlander with 124k miles and recently i noticed the catalytic converter sometimes makes a rattling sound and when it stops i also hear a rattling sound from the engine. Video: https://youtube.com/shorts/1uUNz4WWOnA
2 Answers
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19/03/2022 2:51 pm
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19/03/2022 2:54 pm
Catalytic converter could be breaking up inside with pieces rattling around.
