Mitsubishi 3000GT 1991 Service Manual page 243

FUEL SYSTEM - Orwehicle lnwection of MPI Components.
Fuel gauge cover
RELEASE OF RESIDUAL PRESSURE FROM HIGH
PRESSURE FUEL HOSE
Make the following operations to release the pressure remain-
ing in fuel pipe line so that fuel will not flow out.
(3) Start the engine and after it stops by itself, turn the ignition
switch to OFF.
(4) Connect the fuel pump harness connector.
(5) Apply the specified sealant to the rear floor pan.
Specified sealant: 3M ATD Part No. 8509 or equivalent
FUEL PUMP OPERATION CHECK
the fuel pump check terminal (black), the operating sound
of the pump can be heard.
NOTE
Since the fuel pump is installed in the fuel .tank, its
operating sound cannot be readily heard. Remove the fuel
tank cap and listen to the operating sound through the filter
port.
(3) Hold the high pressure fuel hose between your fingers and
check that the fuel pressure can be felt.
TSB Revision