> Why does a fuel pump need a module? To be more fuel-efficient? Or to block the fuel line for anti-theft purposes? The software part of their houses is total

> Why does a fuel pump need a module? To be more fuel-efficient? Or to block the fuel line for anti-theft purposes? The software part of their houses is total mess, but they won't just arbitrarily add pieces of hardware that don't make any sense to someone (you, them, dealership, or some government) - that'd be a waste of money.