2010 SS Start-Up Drone?
I recently noticed a weird noise coming from the stock exhaust of my 2010 LS3 Camaro SS on cold starts. Every time I start the car after it has been sitting for a while, I hear something that sounds like exhaust drone when the RPMs initially begin to rise after the starter has disengaged. I don't hear anything if the car is already warmed up.
Has anyone else experienced this? I'm wondering if this is a sign of a bad muffler or an exhaust leak of some kind. Thanks in advance! |
It's the cat warm up mode. It can be tuned out.
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Hello RichCamaro10, Sorry you seem to be having an issue with your exhaust. If you don't mind, I would like to look into this situation a bit further for you. Can you private message me your VIN and current mileage? Also, have you had the opportunity to speak with a dealership about this issue yet? Reggie B. Chevrolet Customer Care |
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The drone I hear only occurs for a second after start up and it is in a specific RPM range. Does this still sound like the warm up mode? Quote:
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I hate to wake up an old thread but my problem was a loose baffle in one of the mufflers. I upgraded the exhaust anyway so no biggie...
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