Pressure Regulator Control PRC System

To prevent percolation of the fuel during idle shortly after the engine is restarted, vacuum to the pressure regulator is cut and the fuel injection pressure is increased to more than 284 kPa (41 psi)

Specified Time:
- Approx. 180 seconds

Operating Condition:
- Coolant temperature - above 80 °C (176 °F)
- Intake air temperature (in dynamic chamber) above 75 °C (167 °F)
- Idle switch ON and engine speed below 2,000 rpm