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Sorry, kinda starting a bit late on working on my own vehicle but I have a 2008 Chevy Avalanche 5.3L V8 LS and when I start up the truck I sometimes get a plume of smoke from the exhaust and when idling it sounds fine but the moment I press the accelerator it sounds like a hole in the exhaust just under the driver side door area. I watched the video of finding a leak but I was wondering if anyone has a good area to look what they think it could be. Now it doesn’t do it when I left off the gas just when I press it. Any suggestions are appreciated. Thank you!
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