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2011 Chevy Equinox 2.4 PO442 Evap Leakage


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I'm working on a 2011 Chevy Equinox 2.4 that has a PO442 code, for an evap leak. Sometimes its the fuel cap. However, I decided to buy a

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and see if I can determine where the leak is coming from. I purchased from Amazon

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Lines all look good to and from the vapor canister. I shot it back up to the fuel cap to see if its bad and noticed smoke from the wheel well. I took the wheel well cover off and it looks like smoke is coming from the filler neck, where it's rusted pretty bad. 

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