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Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Engine Controls - Introduction) >> Description and Operation >> Fuel System Description >> Fuel Pulse Dampener

Fuel Pulse Dampener

WARNING: This page is about a different car, the 2005 Saturn Ion 3, 2005 Saturn Ion 2, and 2005 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Fuel Pulse Dampener
GM216234Courtesy of GENERAL MOTORS CORP.

The fuel pulse dampener attaches inside a housing on the fuel rail assembly. The fuel pulse dampener is diaphragm-operated, with fuel pump pressure on one side and with spring pressure on the other side. The function of the dampener is to dampen the fuel pump pressure pulsations.