LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1995 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Controls - Basic Testing - 3.8L) >> A-7, Basic Fuel System Checks >> Fuel System Pressure Relief >> MFI
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel System Pressure Relief: MFI

WARNING: This page is about a different car, the 1995 Pontiac Trans Sport, 1995 Oldsmobile Silhouette, and 1995 Chevrolet Lumina APV. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect negative battery terminal. Loosen fuel filler cap. Install Fuel Pressure Gauge (J 34730-1) to fuel pressure test port on fuel rail. Wrap shop towel around pressure connection when installing fuel pressure gauge to absorb fuel leakage. Place bleed hose in container. Open bleed valve to relieve fuel pressure.