929 V6-3.0L DOHC (1993)
Fuel Pressure: Testing and Inspection
Hold Pressure
Fuel Pressure Release & Gauge Installation
WARNING: Before performing this procedure, release fuel pressure.
1.
Disconnect negative battery terminal.
2.
Install pressure gauge as shown.
3.
Reconnect battery.
Fuel System Priming
4.
Connect data link connector terminals F/P and GND with jumper wire.
5.
To run pump, turn ignition ON for 10 seconds.
6.
Turn ignition "OFF" and remove jumper wire.
7.
After 5 minutes, fuel pressure should be more than 21 psi (150 kPa).
8.
If not as specified, check:
a. Fuel pump hold pressure
b. Pressure regulator hold pressure
c. Injector leakage
