K 1500 1/2 Ton Pickup 4WD V8-350 5.7L VIN L 4-bbl (1982)
Fuel Pressure: Testing and Inspection
Fuel System Diagnosis
Fuel Pump Pressure Test
1. Disconnect fuel line at carburetor and connect a suitable pressure gage.
2. Start engine and check pressure with engine running at slow idle speed. Fuel pump pressure should be as specified.
3. If fuel pump pressure is below 17-45 kPa (2.5 - 6.5 psi), pump must be replaced.
