well i have a couple questions one i was wonder what the gas tank size is for a 1997 gmc jimmy with the 4x4 on it... cause my electronic gas gauge tells me when im just on the red line before "e" that i have 60-80 miles to go and my gas gauge itself shows me almost empty but when i go to fill up my truck i usually only put like 11-12 gallons in so im kind of confused.... second is a little more of a majorish problem when im driving down the road and start going to a stop sometimes the truck wants to act as if its starting to lose pawer or something (the trucks rpm gauge will go up and down and the lights will start to flicker a little as if its having hiccups or something im not exactly sure what it is the only thing on my car i know that needs changed is the charcoal box...