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Home >> Subaru >> 1988 >> RX 2D Coupe >> Repair and Diagnosis >> Engine Performance >> System >> MPFI CEC System >> Operation >> Components >> Pressure Regulator
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Pressure Regulator

Fuel is fed to fuel chamber through fuel inlet connected with injector. A difference in pressure between fuel chamber and spring chamber causes diaphragm to be pushed down, and fuel is returned to fuel tank through return line. Fuel pressure is kept a constant level of 36.3 psi against intake manifold pressure.