Overview of the Daihatsu Gran Max (Ganmax) 1.5 Fuel Pump The fuel pump used in the Daihatsu Gran Max 1.5 is a vital component designed to reliably deliver fuel from the tank to the engine at the correct pressure. The Gran Max, known for its practicality in commercial use, relies on this pump to support the 1.5-liter 3SZ-VE engine in …