Fuel Pressure: Specifications
Fuel System Diagnosis (Part 1 Of 3):
FUEL PRESSURE:
Ignition "ON" Engine "OFF" 40.5 to 47.0 psi
With Regulator Vacuum Applied [1] ..... 3.0 to 10.0 psi Less than Ignition "ON" Engine "OFF"
REMARKS:
[1] May be checked with either of the following methods.
^ With Pressure Regulator Vacuum Line Attached at normal idle speed.
^ Ignition "ON" Engine "OFF" with 10 Inches Of Vacuum Applied To The Pressure Regulator.