Service manual

G424F(FE) Service Manual 214 Chapter 7. MPI Gasoune Fuel Delivery System
Fuel Pressure Test
Release The Internal Pressure
1. Disconnect the fuel pump connector (1).
2. Start the engine and wait until fuel in fuel line is
exhausted.
3. After the engine stalls, turn the ignition switch to
OFF position and diconnect the negative (-)
terminal from the battery.
NOTE: Be sure to reduce the fuel pressure before
disconnecting the fuel feed hose, otherwise fuel will
spill out.
Install Service Tool For Measuring The
Fuel Pressure
1. Disconnect the fuel feed hose from the delivery
pipe.
CAUTION
Cover the hose connection with a shop towel to
prevent splashing of fuel caused by residual
pressure in the fuel line.
2. Install the Fuel Pressure Gage Adapter between
the delivery pipe and the fuel feed hose.
3. Connect the Fuel Pressure Gage Connector to
the Fuel Pressure Gage Adapter.
4. Connect the Fuel Pressure Gage and Hose to
Fuel Pressure Gage Connector.
5. Connect the fuel feed hose to the Fuel Pressure
Gage Adapter.