Fuel Pressure Pulsation Damper: Description and Operation

Fuel Pulsation Damper:

FUEL PULSATION DAMPER

DESCRIPTION
The fuel pulsation damper is installed in the fuel rail. The fuel pressure applied to the fuel injectors is regulated by the fuel pressure regulator.

OPERATION
As the fuel injectors inject fuel, a slight pulsation occurs in the fuel pressure. The fuel pulsation dampers purpose is to remove these pulsations.