I have two problems with my Suburban....not sure if they are related, or two seperate problems. First, when the fuel gauge says a 1/4 tank it acts like it is out of fuel, even though there is still gas in the tank....it's done this for about two years and hasn't been too big of a deal...I just know to not let it go past a quarter tank. Now it will randomly just die while driving. It will usually do it after I have ran the engine for about an hour. It doesn't matter how fast I am going...it will either just die or loose power, then die. I have to pull off the road, let it sit for a few minutes, then it will usually start back up and I can go an undetermined amount of time before it happens again. Not a good thing when driving my five kiddos around!!! I have read other post that say the fuel pump...some people w/ the same prob say they have replaced the fuel pump and they still have the prob (can't afford that!!!) and some have said it's a crank shaft sensor....I have it at the shop now and they haven't been able to find anything yet.