I 3 LIGHT TRUCK L A O MODEL REFERENCE 1990 ELECTRONIC FUEL INJECTION EFI A A THROTTLE BODY INJECTED A FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CARBURETOR AND OR PART NUMBER 1 DETERMINE VEHICLE MODEL CHECK VIN DIVISIONAL CODE 2 DETERMINE ENGINE AND CARBURETOR TYPE 3 PART NUMBER CAN BE DETERMINED BY CROSS REFERENCING CORRESPONDING COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE COL NO 17090011 CT S1 2 8R 1 17087282 CT ST1 2 5E 2 17089018 CT ST1 4 3Z 3 1990 ELECTRONIC FUEL INJECTION EFI THROTTLE BODY INJECTED SEE MODEL REFERENCE FOR APPLICATION GROUP DESCRIPTION OTY 1 2 3 4 5 3 725 THROTTLE BODY INJECTION PRODUCTION 1 17090011 17087282 17089018 3 724 GASKET KIT 1 17112191 17076153 17111764 3 725 THROTTLE BODY INJECTION SERVICE 1 17112228 17111908 17112042 3 729 BODY KIT THROTTLE 1 17112230 17111913 17112043 3 820 CONTROL KIT IDLE AIR VALVE 1 17111460 17111460 3 734 COVER KIT FOUR VACUUM PORT 1 17111916 T 3 724 FASTENER ASSORT KIT 1 17112232 17111819 17111639 3 774 FILTER GASKET KIT FUEL METER 1 17079671 17079671 3 774 FUEL INJECTOR KIT 1 17111456 17111986 3 774 FUEL INJECTOR KIT 0NE INJECTOR 1 17111468 3 774 FUEL INJECTOR KIT REMAN 1 17111550 17111694 3 724 FUEL INLET OUTLET KIT NUT WASHER 1 17111462 17111462 3 734 FUEL METER BODY KIT 1 17078262 17111989 17078262 3 734 FUEL METER KIT TWO INJECTORS PRESSURE REG INCL 1 17112189 17111466 3 734 FUEL PRESS REG 8 COVER KIT 1 17111875 17111875 3 724 NUT KIT FUEL INLET OUTLET 1 17111818 3 440 SENSOR KIT THROTTLE POSITION 1 17111725 17111822 17111471 3 820 VALVE KIT IDLE AIR CONTROL 1 17111826 V A 1990 ADDITIONAL ATTACHING PARTS DIV GROUP MODEL USAGE NOUN NAME I DESCRIPTION OTY PART CT 3 726 ST1 2 5E GASKET T B I 01 10066605 CT 3 726 ST1 4 3Z GASKET T B I 01 10129563 CT 3 726 ST1 2 8R GASKET THROT BODY 01 14092220 1 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52S REV 10 90 3 47 3 725