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Home >> Pontiac >> 2004 >> GTO Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls -- 5.7L -- (Introduction) >> Description and Operation >> Fuel System Description >> Fuel Pulse Dampener
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Fuel Pulse Dampener

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 pulsation.

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