Toyota 3VZ–FE Troubleshooting Manual page 190

ENGINE TROUBLESHOOTING
8. DISCONNECT HOSES
(a) Brake booster vacuum hose
(b) PS air hose
(c) PCV hose
(d) IACV vacuum hose
9. DISCONNECT GROUND STRAPS
Remove the nut and disconnect the two ground straps.
10. DISCONNECT COLD START INJECTOR CONNECTOR
11. DISCONNECT COLD START INJECTOR PIPE (NO.2 FUEL
PIPE)
(a) Put a suitable container or shop towel under the injector pipe.
(b) Remove the union bolt and two gaskets, and disconnect the
injector pipe.
HINT: Slowly loosen the union bolt.
12. REMOVE NO.1 ENGINE HANGER AND AIR INTAKE
CHAMBER STAY
(a) Remove the two bolts and No.1 engine hanger.
(b) Remove the two bolts and air intake chamber stay.
13. REMOVE EGR PIPE
(a) Loosen the union nut.
(b) Remove the two bolts and EGR pipe.
14. DISCONNECT HYDRAULIC MOTOR PRESSURE PIPE
Remove the bolt and disconnect the hydraulic pressure pipe
from the air intake chamber.
15. REMOVE AIR INTAKE CHAMBER
(a) Disconnect the three emission control vacuum hoses.
(b) Disconnect the two water by–pass hoses.
(c) (Calif. only)
Disconnect the EGR gas temp. sensor connector.
(d) Disconnect the throttle position sensor connector.
(e) Disconnect the IAC valve connector.
(f) Disconnect the IAC valve air hose.
(g) Disconnect the PS air hose.
– SFI SYSTEM
EG–189