Tercel Sedan 2-Door L4-1456cc 1.5L SOHC (3E-E) (1991)
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Fuel Pressure Pulsation Damper: Description and Operation
Fuel Pressure Pulsation Damper
The Fuel Pressure Pulsation Damper, located on the fuel rail, smoothes the pulses and air pockets from the fuel stream before they reach the injectors.
This device reduces pressure fluctuations in the system and helps reduce fuel pump noise. The damper contains no serviceable parts and therefore must
be replaced as a unit, if malfunction occurs.