Manifold Pressure/Vacuum Sensor: Locations
Front Of Engine:
Top Front Of Engine, On Intake Plenum
Applicable to: 1991 Cutlass Supreme & Grand Prix w/2.3L/4-138[
Engine Compartment Component Locations.:
Top Front Of Engine, On Intake Plenum
Applicable to: 1991 Lumina w/2.5L/4-1