How long does it take to replace a fuel pump? In most cases, around two to three hours. However, job times can vary widely depending on how easy it is to access the pump. The fuel pump sits inside the fuel tank, and is attached to a plate on the top of the tank. On some vehicles, the body has an access cover directly above this plate. This makes the pump easy to access. On other vehicles, the fuel tank must be unbolted and removed from the vehicle to get to the pump. This makes replacement a much bigger job.
