gulfcoast6 0 Posted December 29, 2013 Share Posted December 29, 2013 I checked my air filter today during an oil change and noticed some sort of filter attached to the underside of the upper air box. It is about 2" long. Has anyone else noticed this? I have no idea what it is for. Any info would be appreciated. If it matters, I have a 2013 2LT Spark. Link to post Share on other sites
malibuguy 14 Posted December 29, 2013 Share Posted December 29, 2013 Its a carbon trap to catch hydrocarbons that released from the motor when shut off Link to post Share on other sites
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