cdelasancha18, it should normally reset itself if you have driven it a few times after you replaced the gas cap. It is possibly that you have other issues. Take it to a place like Autozone, or anyone else, that offers a free quick scan and see what codes you get. It is possible that you have trouble with your ESIM valve, or even your oxygen sensor. You can, of course, try a reset by removing the negative (-) cable from your battery and leaving it off for a while. Hope this helps, good luck.
crwdns2934105:0crwdne2934105:0
crwdns2934113:0crwdne2934113:0
crwdns2915270:0crwdne2915270:0
crwdns2889612:0crwdne2889612:0
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