Pressure Regulator Control System

View: Pressure Regulator Control System:

PURPOSE
To prevent percolation of the fuel during hot restart.

OPERATION
Idle, vacuum to the pressure regulator is momentarily cut and the fuel injection pressure is increased to slightly more than 284 kPa (41.2 psi). Pressure in the fuel line at idle is approx. 226 kPa (32.7 psi).