I dont know if these two problems have anything to do with each other but I think they may. The check engine lght is on and I had it checked three times and each time it was about the evap valve open at the wrong time. They cleared it and 6miles later it came back on. The adjoinig problem is that for the last month I have been only able trickle the gas into the tank through the filler tube. I never had the issue of filling up the gas tank just open the door take off the cap and blast 25 gallons of gas in as fast as the gas pump could deliver it. any ideas? thanks.