CVO 11/17/2012FUEL SYSTEM PRESSURE
1992 Chevrolet Truck C1500 1/2ton P/U 2WD 4.3L TBI 6cyl
The Fuel System Pressure
9-13 PSI (Pounds per Square Inch)Position the ignition switch and the A/C system in the off position. Install a fuel pressure gauge to the vehicles fuel rail supply line. Place the ignition switch in the on position, confirm that no leaks are present, and start the engine. Visually verify the fuel pressure reading on the gauge.
If the fuel system pressure isn't in the criteria, replace the fuel pump.