Quote:
Originally Posted by DMX512
This is gonna sound strange, but....It is probably your gas cap. My 2007 was doing the same thing and, through this forum I discovered the fix.
I just went to one of the auto parts stores and got a generic gas cap. It has been fine since.
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fully agree. i had the same issue. i don't recall if i pulled any codes. there are many posts on this. i didn't believe it but decided to buy a Toyota gas cap anyway because it was a cheap possible solution; problem fixed immediately. i believe it has to do with pressure in the fuel lines. you might just make sure your current gas cap is tight as hell.