911 SC Cabriolet F6-2994cc 3.0L SOHC (1983)
Fuel Injector: Testing and Inspection
CHECKING FUEL INJECTORS
General
Instructions for checking the injectors apply to vehicles equipped with either mechanical or CIS fuel injection.
The injector tester is used for checking opening pressure, spray pattern, and leakage of injectors.
Fill container of the tester with testing oil and bleed tester prior to testing the injectors. Use only testing oil 01 61 v 11.
Under no circumstances should gasoline be used.
When testing injectors for the mechanical injection system, use pressure gauge EF 1687 231 000 0 - 25 bar. When testing CIS injectors use pressure
gauge with calibrations 0 - 6 bar.
Bleeding the Tester
1. Open bleeder screw.
2. Open pressure gauge valve.
3. Actuate hand lever until testing oil comes out of the bleeder without air bubbles.
4. Tighten bleeder screw.
5. Connect injector to pressure line but do not tighten connection. Actuate hand lever until air bubbles cease to come out at the coupling nut.