I have 94 GMC Suburban with 6.5 Turbo with 43,000 miles Drove it yesterday for about 200 miles no problems. I have a little over 1/2 tank of gas, filled it up at a Shop & Rob Exxon in Wilmington, NC. The fuel pumped slowly out of their tank into the GMC. Drove it off from there for about two miles and I stopped at a light, then the truck just shut off as I started to go from stop. Coasted for a few feet in neutral and restarted it, again started to drive it stalled again, shutting the engine off. Again I coasted and restarted to engine and it drove fine for another 100 miles, easily reaching speed of 78 mph. When I got closer to home I hit a few traffic lights it was ok, then when I got back into Greenville, it stalled once from at a light. Any thoughts, Would be helpful... Previous service included all fluids changed with in the last 120 days, new alternator, new batteries, new battery cables (except for one), all new filters (air, Oil & Fuel) and a fuel lift pump, something light that, by the local dealer. I am not familiar with diesels at all.