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Home >> Mazda >> 2000 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel System >> Fuel Delivery >> Pressure Regulator Control (PRC) Solenoid

Pressure Regulator Control (PRC) Solenoid

PRC system includes a solenoid connected to vacuum line of fuel pressure regulator. During hot engine restarts, PCM energizes PRC solenoid. This prevents intake manifold vacuum from going to fuel pressure regulator and increases fuel pressure about 8 psi (.6 kg/cm2 ).