Pup-pup-pup..popping sound? - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 5 Old 02-27-2012, 09:17 AM Thread Starter
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Question Pup-pup-pup..popping sound?

I know this is going to sound weird, but hopefully someone else knows what I am talking about.
My car is a 2012 2SS/RS/L99.
I was sitting in my car after starting her up and just had her in park. I was sitting and doing some things on my phone before I started my drive home. I had not heard this sound before, but it may be because I usually have the radio on. It was off on this occasion. As my car is sitting there running, I hear a pup-pup-pup-pup sound coming from the engine area. It went on for a few seconds, and ended with I can only describe as a low fart sound. Sort of the pup-pup sound but closer together and at once.

Anywho...is this something normal, or something I should have checked out? I am new to these engines, since I am a convert from Mustang GTs, and not familiar with what is "normal".

Any help in solving this puzzle would be greatly appreciated.
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post #2 of 5 Old 02-27-2012, 11:45 AM
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Just drop by the dealer and have them check for any code in the CEL memory. Sounds strange but not normal IMO.


2010 2SS/RS A6 L99 Born 09/16/2009 Vin#9146985
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post #3 of 5 Old 02-27-2012, 04:55 PM
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bring it to the dealer.

2019 1SS/1LE
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post #4 of 5 Old 02-28-2012, 04:44 AM Thread Starter
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That is what I plan on doing, but my biggest fear is that it only does it when it has been sitting in the parking lot overnight while I am at work and I start her up cold in the morning. I am sure if I drive to the dealership, it won't do it, since the engine will be warmed up.
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post #5 of 5 Old 02-28-2012, 09:31 AM
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No doubt, Murphy's law!


2010 2SS/RS A6 L99 Born 09/16/2009 Vin#9146985
ModernCamaro Car of the Month Jan 2013
CAI,Axle back exhaust, V Max Throttle Body
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