Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 222Get this manual

Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 222

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DIRECT FUEL INJECTION

aFuel pressure regulator The fuel pump is capable of delivering more fuel than the engine can consumeExcess fuel flows through the fuel pressure regulator, interconn