I own a 2010 nissan xterra and I would like to see where the fuel check valve is located. I'm having trouble with the car not starting when it's cold. However, if I let the truck sit with key in the on position like you did to prime the pump, it starts right up. I've found info about a vapor canister check valve but I'm not 100% sure my model has sush a part. Great video, and will be referencing you for future projects.