626 L4-1991cc 2.0L DOHC (1993)
Fuel Pressure Release: Service and Repair
Fuel Pressure Release And Gauge Installation
CAUTION: Fuel system remains under high pressure even when engine is not running. Before disconnecting any fuel line, release system pressure.
1.
Start engine.
2.
Unplug fuel pump relay.
3.
After engine stalls, turn ignition OFF and reinstall relay.
4.
Use a suitable fuel pressure gauge connected in-line as shown.
CAUTION: To prevent fuel leakage, use hose clamps to secure pressure gauge to fuel pipe and main fuel hose.