. if it was a fuel pump it would start at the most but will bog down/ turn off if the pump was going bad as soon as u give it gas . get a fuelpump/fuel injector kit to check pressure . jsut did mines this weekend on my silverado. should have around 30-40 psi if im not mistken. if it doesnt have that then u have a bad pump. i sell u my kit i just bought if u need one . 25 dollars and its yous.used for only five min.