Fuel Pressure Regulator Assembly
WARNING: This page is about a different car, the 1988 Cadillac Allante and 1987 Cadillac Allante. However, it is still accessible from the selected car via links, so may be relevant.
For testing Fuel Pressure Regulator Assembly, see PFI CHART A-4A: STATIC FUEL PRESSURE DIAGNOSIS in SELF-DIAGNOSTICS article.