I posted about this issue that can effect your entire vehicles performance. Water in the EMS charcoal filter. This will stop your tank from venting, and put any liqiud inside your canister. Brought it to real mechanic- he identified answer very quickly.. put was 5 cent straw in and canister is dry. This is a chronic issue and simple. I read all kinds of issues on this thread that could be a direct cause. Try it with just spraying a bit of water on gas cap door and watch water go right down hole. Guarantee this will fix a ton of issues and your vehicle will run much better!
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