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Home >> Chevrolet >> 2005 >> Malibu Maxx >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System - 2.2L (L61) - Introduction) >> Description and Operation >> Fuel System Description >> Fuel Pulse Dampener

Fuel Pulse Dampener

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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.