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Home >> GMC >> 1996 >> Forward Control 4.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Control System - Basic Engine Testing - 3.8L) >> Basic Fuel System Checks (A-7) >> Fuel System Pressure Test >> Fuel Pressure Relief
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Fuel Pressure Relief

WARNING: This page is about a different car, the 1996 Pontiac Firebird and 1996 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Fuel system is under pressure. Pressure must be relieved prior to servicing fuel system. Disconnect negative battery terminal. Loosen fuel filler cap. Install Fuel Pressure Gauge J-34730-1) on fuel pressure connector of fuel rail. Wrap shop towel around pressure connection when installing fuel pressure gauge to absorb fuel leakage. Install gauge bleed hose in container. Open bleed valve to bleed fuel pressure.

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