2008 Chevrolet Impala 3.5L with engine code P0455, could it be a bad gas cap seal?

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OBDIITech · Answer 1 · 2021-06-15T05:20:35+0000

P0455 CHEVROLET - Evaporative Emission Control System Leak Detected Gross Leak

Read more: https://www.autocodes.com/p0455_chevrolet.html