Fuel Injector: Testing and Inspection

V8-379 ENGINE
Remove injection nozzle, then connect suitable tester and gauge following tool manufacturer's instructions. Minimum opening pressure should be 1525 for new nozzles or 1500 psi. for used nozzles. Spray pattern should be uniform and atomized near the nozzle tip. Any solid column of fuel or small droplets forming near the tip is unacceptable.