CHEVROLET SUBURBAN FUEL PUMP

I Know On Most Vehicles Fuel Pumps Run For A Bit And Then Shuts Of, I Replaced My Pump 1 Year Ago And It Never Shuts Down. Is This Normal...

I Have Changed My Fule Pump Two Times. It Worked Good For About A Week. Now When I Drive More Than 30 Miles It Strats Acking Like Its Out...

In The Early Mornings It Turns On The First Crank And Drives With No Problem. No Misfires, No Sputtering, Or Any Idling Issues. So Far...

My Son Has The Above Vehicle Which Is Flex-fuel But Only Uses E-10 Fuel. When Scanned It Shows The Codes For "lean Both Banks" But...