Toyota Supra 1990 Manual page 256

FI-82
O---0-Ring
Pressu re Regu lator
Front . .
Delivery Pipe
EFI SYSTEM - Fuel System
FI3640
FI1663
FI1662
INSTALLATION OF FUEL PRESSURE
REGULATOR
1. INSTALL FUEL PRESSURE REGULATOR
(a) Fully loosen the lock nut of the pressure regulator.
(b) Apply a light coat of gasoline to a new G-ring, and
install it to the pressure regulator.
(c) Thrust the pressure regulator completely into the deliv-
ery pipe by hand.
(d) Turn the pressure regulator counterclockwise until the
vacuum pipe faces in the direction indicated in the
figure.
(e) Torque the lock nut.
Torque: 250 kg-em (18 ft-Ib, 25 N·m)
2. CONNECT NO.2 FUEL PIPE
Connect the No.2 fuel pipe to the pressure regulator with
new gaskets and union bolt.
Torque: 250 kg-em (18 ft-Ib, 25 N·m)
3. CONNECT VACUUM SENSING HOSE
4. CONNECT NO.3 PCV HOSE
5. CHECK FOR FUEL LEAKAGE (See page FI-11)