Possibly fuel system?
Stopped to purchase fuel. Pump clicked off automatically when full, took 25 gallons to
fill. Vehicle would crank but not start. Second attempt no start and no fire at all. Third
attempt vehicle started, but idled roughly then killed. Fourth attempt cranked engine
while holding gas pedal to the floor. Vehicle started after five seconds of cranking and
ran perfectly all the way home on city street with stop signs and red lights. Vehicle
purchased new and has 28K miles. Any ideas? Could not replicate the problem once
home. Vehicle started right up when turned off.