Changing a Fuel Pressure Regulator on hard starting 2000 Chevy Silverado Yourself

I was having a problem with my 2000 Chevrolet Silverado. It was starting hard all the time with the exception of first thing in the morning. The first start of the day would go just fine, but the rest would turn over and over rapidly until I pumped the gas pedal. Then it would start but it would sputter for a little bit. Once or twice it also quit on me when I was slowing