first off I have a 2007 ls and I have searched around for a solution and found nothing clear so I have no choice but to ask anyway a few weeks ago I got a P0492 code wich is the evap code but whats going on is when I put gas in the car it doesnt want to start it take a few trys to get it started or if it starts right up it will rev up to 2000-2500 and fluxuate a sec before it settles at 1k it drives perfectly fine but when I get gas it acts stupid when I crank it im out of warrenty so any advice would be greatly appriciated

 

i had a p0498 but i had the same problem evertime i fueled up. mine was the evap vent solinoid. or something like that. it was a 35 buck part and literally took 5 mins to change.

 

Thats great news where can I go for instructions on how to replace it? Or how did you do it? My used to do that knocking sound when it would purge but it does not do it any more.

 

It's right next to the valve cover I believe. My buddy had to change his.

 

Thanks I looked all over my Haynes repair book and I cant find the how to on it I may be overlooking it im not sure..