1991 LEXUS SC400 Service Repair Manual

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Page 2057 of 4087

LEXUS SC400 1991 Service Repair Manual (b) Temporarily install a new gasket and the EGR pipe to air intake chamber with the two bolt. (c) (Exc. USA Spec.) Install the connector bracket to check (ºDIAGNOSISº) connector. (d) Install the

Page 2058 of 4087

LEXUS SC400 1991 Service Repair Manual (g) Install the accelerator bracket with the bolt and stud bolt. 3. CONNECT HOSES Connect the following hoses:(1) Water by±pass hose (from EGR valve) to water by± pass pipe (2) Vacuum hose (from

Page 2059 of 4087

LEXUS SC400 1991 Service Repair Manual 4. CONNECT CONNECTORSConnect the following connectors:w Cold start injector connector w ISC valve connector w (USA Spec.) EGR valve connector w (Exc. USA Spec.) VSV connector for EGR system w SV conn

Page 2060 of 4087

LEXUS SC400 1991 Service Repair Manual (4) Heater water hose to heater water valve (e) Connect the following connectors: (1) Throttle position sensor connector (2) (w/ TRAC) Sub±throttle position sensor connector (3) (w/ TRAC) Sub±thro

Page 2061 of 4087

LEXUS SC400 1991 Service Repair Manual 8. INSTALL VSV FOR EVAP SYSTEMInstall the VSV with the two bolts. 9. INSTALL LH NO.3 TIMING BELT COVER (a) Install the three gaskets to the timing belt cover. (b) Install the cord grommet to the

Page 2062 of 4087

LEXUS SC400 1991 Service Repair Manual (b) Push the front side of the high±tension cord cover, andconnect the front side claw groove of the upper high±tension cord cover to the claw of the lower high±tension cord cover. (c) Install

Page 2063 of 4087

LEXUS SC400 1991 Service Repair Manual Injectors ON±VEHICLE INSPECTION 1. INSPECT INJECTOR OPERATIONCheck operation sound from each injector. (a) With the engine running or cranking, use a stethescopeto check that there is normal operat

Page 2064 of 4087

LEXUS SC400 1991 Service Repair Manual COMPONENTS FOR REMOVAL AND INSTALLATION ± EFI SYSTEM Fuel System (Injectors)FI±27 WhereEverybodyKnowsYourName
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