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Home >> Chrysler >> 1988 >> LeBaron Base, 2D Convertible, 2.2 D >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L Turbo Tests W/Codes >> Description >> Fuel Pump

Fuel Pump

The Multi-Point Fuel Injection (MPFI) turbocharged vehicles use 2 different types of electric fuel pumps. These pumps are not interchangeable because of different operating pressures.

The MPFI (Turbo) fuel pump is a positive displacement, roller vane immersible pump with a permanent magnet electric motor. Voltage to operate pump is supplied through the Auto Shutdown Relay (ASD). The MPFI is under a constant pressure of 55 psi (3.9 kg/cm2 ).