MPV 4WD V6-180 2954cc 3.0L FI (1989)
Fuel Pressure Pulsation Damper: Testing and Inspection
There is no specific test for this device, however, if vibration from the fuel pump can be felt in the hoses going both to and from the damper, it should
probably be replaced. It is normal to feel some vibration from the pump, in the hose between the pulsation damper and the fuel filter.