The fuel pump may fail causing the engine to stall and not restart.Google+
Car Problem Reports
GMC Savana 3500 "No start" Caused By Failed Fuel Pump
GMC Savana 3500 Problem
Engines Affected: 4.8L V8, 6.0L V8, Gasoline
Average Mileage: 51,702 mi (4,808 mi - 74,000 mi)
Van would not start. Towed to dealership. Tech determined fuel pump. Pump was ordered.
Visitor, 2010 GMC Savana 3500, 4.8L V8, 74,000 mi
Vehicle wouldnt start. I could hear the starter working looks like the fuel is not being fed to the engine. Towing to the dealer, looks like a fuel pump failure.
At 55,000, the van stalled and was loosing power to the engine. Had it checked by the dealer, replaced chip/kit.