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Rough cold start?

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Old Feb 20, 2025 | 01:34 PM
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Default Rough cold start?

Hello! This is my first time posting here! ( excuse my grammar, oh and it’s my first vette!) I don’t know if this is the right area to describe what my C6 is experiencing. It’s a 2009 with 65k miles BUT recently I changed my battery to an everstart maxx around 3 weeks ago! I’ve noticed that during its first cold start of the day it kind of chokes when starting up? I guess a silly way I can put it is that it goes like this “ bbVROO…… VEOOOOM” then after driving it for about 30 mins, letting it sit for about 3 hours, then turning it on, it doesn’t do that. It starts up as normal
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Old Feb 20, 2025 | 02:04 PM
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Normal and its the louder after market exhaust in play, that your just hearing it more.
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Old Feb 20, 2025 | 02:45 PM
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Really? I mean back before I switch the battery It wouldn’t really do that. It varies too, sometimes it starts up normal and other times more quiet than usual.
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Old Feb 20, 2025 | 05:09 PM
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Probably something we can't diagnose for you over the Internet...find an auto diagnostics shop in your area and take it there.
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