929 V6-3.0L DOHC (1993)
Fuel Pressure: Testing and Inspection
Line 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.
Turn ignition ON and check line pressure. It should be 37 - 46 psi (255 - 314 kPa).
6.
If pressure is low, check pump maximum pressure. If as specified, fuel line or filter may be clogged or restricted.
7.
If pressure is high, replace pressure regulator.
