Leak checking
WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Pressure gauge connected
- Move pump lever down slowly to maintain steady pressure of approx. 150 bar (2175 psi) for 10 seconds.
- No fuel should leak from injector nozzle
- Replace any leaking injectors.