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02/11/2020 5:28 pm
Topic starter
A hybrid 2011 ct lexus 104000.
1 Answer
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02/11/2020 6:06 pm
Could be cat converter heat shield? Welds crack eventually and they can vibrate at certain rpm. Wait until it has cooled down and see if heat shields are loose. Could also be loose baffles in muffler.
@jimbob
Thanks