fuel pump module assembly

Filling up our motorcycles and cars is such a normal activity in our lives that we seldom think about the mechanism behind the working of the fuel pumps that automatically shuts off when the fuel tank filling is done. But what’s the working principle behind it?

The title can be simply defined: When the pump has become defective. The problem is, how do you know when your fuel pump is defective? Fuel system problems can be hard to diagnose.