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12-21-2016, 04:54 PM
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#1 |
 Drives: 2016 Summit White Camaro LT2 RS Join Date: Jun 2016
Location: NC
Posts: 135
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Muffled pop on shutdown normal?
Recently, I happened to have my windows down and radio off when I pulled in to my garage. When I turned the engine off, after a a second or two I heard a muffled pop from the exhaust. This was after about 30min of drive time. Since then I've tested it a couple more times under the same conditions and its happened each time. Could have always done it, I usually have radio still on and windows up when I shutdown.
Ideas? About a 2 months ago I had an O2 replaced and another CEL (P219B) about a month ago which the dealer claims was due to bad gas. Completely stock.
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2016 Camaro 2LT | 3.6L V6 | A/T | Summit White | JWM Smoked Side Markers | Flowmaster American Thunder Axle-back Exhaust | K&N Filter | AIRAID Modular Intake Tube | Overkill Tune
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12-21-2016, 04:57 PM
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#2 |
         
Drives: 2016 Camaro 1LT Join Date: Jan 2016
Location: California
Posts: 3,491
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I have never heard such a thing turning mine off. Every now and then i'll have something squeek when the engine shuts off that sounds like air pressure being released. But it's definitely not a combustion-like sound.
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12-21-2016, 06:30 PM
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#3 |
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Drives: 2016 Summit White Camaro LT2 RS Join Date: Jun 2016
Location: NC
Posts: 135
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Back to the dealer I guess. A different dealer though this time.
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2016 Camaro 2LT | 3.6L V6 | A/T | Summit White | JWM Smoked Side Markers | Flowmaster American Thunder Axle-back Exhaust | K&N Filter | AIRAID Modular Intake Tube | Overkill Tune
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