LIGHT TRUCK A A I MODEL REFERENCE A 1990 ELECTRONIC FUEL INJECTION EFI A THROTTLE BODY INJECTED FOLLOW PROCEDURE OUTLINED BELOW T0 DETERMINE CARBURETOR AND OR PART NUMBER A 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 I A VIN L I V A PRODUCTION DIV CODE I USAGE COL N0 17090020 CT LM1 4 3B 1 17087283 CT M1 2 5E 2 A 17089027 CT M1 4 3Z 3 A 1990 ELECTRONIC FUEL INJECTION EFI THROTTLE BODY INJECTED A SEE MODEL REFERENCE FOR APPLICATION GROUP DESCRIPTION QTY 1 2 3 4 A 5 3 725 THROTTLE BODY INJECTION PRODUCTION 1 17090020 17087283 17089027 V A 3 724 GASKET KIT 1 17111764 17076153 17111764 3 725 THROTTLE BODY INJECTION SERVICE 1 17112242 17111908 17112056 3 729 BODY KIT THROTTLE 1 17112057 17111913 17112057 3 820 CONTROL KIT IDLE AIR VALVE 1 17111460 17111460 3 734 COVER KIT FOUR VACUUM PORT 1 V 17111916 3 724 FASTENER ASSORT KIT 1 17112232 17111819 17111643 3 774 FILTER GASKET KIT FUEL METER 1 17079671 17079671 3 774 FUEL INJECTOR KIT 1 17111771 17111986 3 774 FUEL INJECTOR KIT ONE INJECTOR 1 17111468 A 3 774 FUEL INJECTOR KIT REMAN 1 17111866 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 17111772 17111466 3 734 FUEL PRESS REG COVER KIT 1 17111875 17111875 A 3 724 NUT KIT FUEL INLET OUTLET 1 17111818 3 440 SENSOR KIT THROTTLE POSITION 1 17111471 17111822 17111471 3 820 VALVE KIT IDLE AIR CONTROL 1 17111826 1990 A ADDITIONAL ATTACHING PARTS A DIV GROUP MODEL USAGE A NOUN NAME DESCRIPTION QTY PART CT 3 726 LM1 4 3B Z GASKET T B I O1 10129563 CT 3 726 M1 2 5E GASKET T B I 01 10066605 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52M 1 1 91 A 3 29 5 3 725