Injection Nozzles: Notes
WARNING: This page is about a different car, the 1983 Volkswagen Vanagon, 1983 Volkswagen Rabbit, 1983 Volkswagen Quantum, 1983 Volkswagen Pickup, and 1983 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
It is not necessary to perform spray pattern test on VW diesel engines. Tests indicate spray pattern is not related to engine performance or to burnt glow plugs.