LIGHT TRUCK MODEL REFERENCE 1991 ELECTRONIC FUEL INJECTION EFI THROTTLE BODY INJECTED FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CAREURETOR AND OR PART NUMBER 1 DETERMINE VEHICLE MODEL CNECK VIN DIVISIONAL CODE 2 DETERMINE ENGINE AND CAREURETOR TVPE 3 PART NUMBER CAN BE DETERMINED BV CROSS REFERENCING CORRESPONDING COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS VIII I PRODUCTION DIV CODE USAGE COL IIO 17091045 CT R2 7 4N A T MT1 1 17091045 CT RV3 7 4N A T MT1 1 17091045 CT R2 7 4N A T MT1 2 17091045 CT RV3 7 4N A T MT1 2 17091042 CT F1V1 5 7K A T MDB 3 17091043 CT RV2 3 5 7K A T MT1 4 17091044 CT RV3 5 7K M T M20 5 17091046 CT RV3 7 4N M T M20 6 17091066 CT V1 16 5 7K M T M20 7 LIGHT TRUCK Y 1991 ELECTRONIC FUEL INJECTION EFI THROTTLE BODY INJECTED SEE MODEL REFERENCE FOR APPLICATION GROUP DESCRIPTION QTY 1 2 3 4 5 3 725 THROTTLE BODY INJECTIOMPRODUCTION 1 17091045 17091045 17091042 17091043 17091044 3 724 GASKET KIT 1 17076161 17076161 17112486 17112486 17112485 3 729 KIDY KIT THROTTLE 1 17112569 17112569 17112516 17112510 17112513 3 620 DOIITROL KIT IDLE AIR VALVE 1 17111768 17111788 17111460 17111460 17111460 3 724 FASTENER ASSORT KIT 1 17112564 17112564 17112405 17112405 17112405 3 774 FILTER A GASKET K1T FUEL METER 1 17112408 17112408 17112408 17112408 17112408 3 774 FUEL INJECTOR KIT 1 17112560 17112560 17112493 17112493 17112493 3 774 FUEL INJECTOR K1T REIIAN 1 17112561 17112561 17112494 17112494 17112494 3 724 FUEL INLET OUTLET KIT NUT I WASHER 1 17111789 17111789 17111462 17111462 17111462 3 734 FUEL METER BODY KIT 1 17112566 17112566 17112407 17112407 17112407 3 734 FUEL METER K1T 1NJECTORS A PRESSURE REG INCL 1 17112559 17112559 17112492 17112492 17112492 3 734 FUEL PRESS REG I COVER KIT 1 17112399 17112399 17112399 17112399 17112399 3 764 SENSOR KITJNROTTLE POSITION 1 17112404 17112404 17112404 17112404 17112404 3 734 THROTTLE BODY INJECTOR KIT 1 17112567 17112567 17112514 17112508 17112511 TODO GENERAL MOTORS SERVICE PARTS 0PERAT ONS LTTRUCI 52R 1 t t REV 9 90 11 1 4 3 725