My grandma's car is showing P0456, check engine light has been on for some time. She barely drives it, just 5 minutes to and from doctor and grocery store. Now that I am here I would like to fix it, just want to figure out if I can fix it or if I need a mechanic's help. I know P0456 is a EVAP small leak, but I also smelled gas really badly one day in the summer. I was standing near it and smelled a really strong gas smell. It wasn't recently driven from what I remember, but I know the gas tank was full. I opened the hood and smelled it coming from those weave lines on the left of the engine. I believe those are the fuel lines? I was wondering if there could be a leak in one of those lines causing the code? Especially since I smelled gas, also I read it could be simpler things like the gas cap. Let me know if you need more information. Should I bring straight to mechanic or try gas cap first?
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Thursday, October 31st, 2019 AT 7:42 PM