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Home >> Mazda >> 1994 >> Protege Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Miscellaneous Controls >> Fuel Pressure Regulator Control (FPRC)
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Fuel Pressure Regulator Control (FPRC)

During hot engine starts, intake manifold vacuum to the fuel pressure regulator is removed. This increases fuel pressure, which helps prevent vapor locking.

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