Control - Mazda 323 1988 Workshop Manual

46
PRESSURE REGULATOR CONTROL (PRC) SYSTEM
PRESSURE REGULATOR CONTROL (PRC) SYSTEM
Thrott,le sensor
Engine control unit
Wqer ;iiermp
sensor
Intake air therm0 sensor
To prevent percolation of the fuel during idle for a specified period after the engine is restarted, vacu-
um is cut to pressure regulator and the fuel pressure is increased.
Specified time: Approx. 100 set
Operating condition: Coolant temperature - above 9WC (1EWF)
Intake air temperature - above 58OC (136'F)
48-54
323
Revised IQ/07