ok last weekend i did the 30k tune up 3k early cause i had time and was bored. I changed the oil,plugs, diff fluid and cleaned the throttle body. truck ran great, and still does, but i got a cil and pulled the code p0441 evap something ornother. ive read just about every thread in the archives and replaced my gas cap and erased the code. well today it came back on as i got on it getting onto the interstate. Ive read to look at the lines goin to the evap(charcoal) canister. Ive heard that it was behind the cab than i heard it was under the fuse box. looked in both places and under the fuse box is two different things with lines/hoses coming out of it. they both look to be good, but i wanna get rid of this code its driving me crazy. what exactly am I looking for? should i go ahead and replace this canister thing? Please post a pic of what it is so i dont do something stoopid.

thanks gator.....

 

The EVAP canisters are under the truck in front of the gas tank. Like you said most people said to check the lines going to it for cracks and leaks, good luck.