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Does anyone else have an issue with occasional noise when accelerating ? I’ve had it in to the dealer but naturally it didn’t make the noise while they had it. My husband thinks it might be fuel pump but dealer said it was fine. It’s almost like a grind or growl and when accelerating (including when cruise control is in use). Thank you!
 

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I had a similar issue with my 2019 and I took to the dealer. Mine you could always hear when accelerating in low gears. What did they do? They drove another one in the lot and told me it did the same thing and that it was normal! I said do you think it could be an issue with both? They had to think how to respond to that one. I had other issues and ended up doing a GM buyback and got a 2020. Low and behold no rattling noise when accelerating. I saw either on here or another forum where someone had that issue and convinced the dealership to replace exhaust system and that solved the problem.
 
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