For codes reading 0455, the fuel evap valve is located under the rear of the truck close to the passenger side wheel. Follow the fuel hose to the large box under the vehicle, and look to the right of it. It is about the size of a soup can with a couple of hoses and a wire harness leading to it. I just came from the dealer. Cost of the valve is $48, and labor was $140. Took less than an hour. Description was "large evap leak detected. Evap valve stuck open. Found by using smoke tester"
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Wednesday, October 15th, 2008 AT 1:56 PM