911 Turbo Coupe F6-3299cc 3.3L SOHC Turbo (1988)
Fuel Pressure: Testing and Inspection
Connecting and Bleeding Pressure Gauge
CHECKING PRESSURE
Note: For better understanding we have numbered connections and lever positions of change-over valve in the following text.
Connecting and Bleeding Pressure Gauge
1. Remove air cleaner.
2. Remove line from mixture control unit to control pressure regulator at control pressure regulator. Connect selector valve into line as shown
(connection 1 to control pressure regulator. Connection 3 to regulator feed line).
3. Switch selector valve position 2. Let pressure gauge hang down (by its hose), disconnect 2-pole plug at mixture control unit (arrow) and turn on
ignition (fuel pump runs). Move change-over valve lever to position 3 about 5 times at intervals of 10 seconds.
