911 Carrera 4S Coupe AWD F6-3600cc 3.6L SOHC (1997)
Fuel Pressure: Testing and Inspection
Check fuel pressure
1. Remove heater blower at the rear left of the engine compartment.
2. Remove valve cover at test connection of fuel distributor line. Tightening torque: 2.5 + 0.5 Nm
NOTE: Cover must be used only once.
3. Connect pressure gauge P 378 or VW 1318 with attachment line 9559 and connect to test connection.
4. Remove ECM relay (R53) from fuse/relay panel and connect terminals 30 and 87b with locally manufactured fused jumper cable and trigger fuel
pump with system tester. Fuel pump must work now.
5. Test values:
Engine not running: 3.8 +/- 0.2 bar
Engine at idle: 3.3 +/- 0.2 bar