Originally Posted by Lysandra

I don't know if the fuel tank selector valve is working. I haven't used it in forever. My boyfriend accidentally put gas in the front tank and then poked a hole in the tank to get it out. I've ran off the rear tank ever since. I just checked, it does switch tanks. How do I check to make sure it's working properly?

I was not aware of a water separator before the lift pump. I don't see anything unless it's under the truck before the firewall(?) Or right at the tank.