LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1994 >> Cavalier/Z24 L4-134 2.2L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Fuel Pressure >> Specifications
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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.