1991 ELECTRONIC FUEL INJECTION EFI THROTTLE BODY INJECTED 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 17091038 1 F 5 0E W M T M39 1 17091039 1 F 5 0E W A T MD8 2 GROUP DESCRIPTION OTY 1 2 3 4 5 3 725 THROTTLE BODY INJECTION PRODUCTION 1 17091038 17091039 3 724 GASKET KIT 1 17112486 17112486 3 725 THROTTLE BODY INJECTION SERVICE 1 17112450 17112453 3 729 BODY KIT THROTTLE 1 17112452 17112455 3 820 CONTROL KIT IDLE AIR VALVE 1 17111460 17111460 3 724 FASTENER ASSORT KIT 1 17112405 17112405 3 774 FILTER GASKET KIT FUEL METER 1 17112408 17112408 3 774 FUEL INJECTOR KIT 1 17112400 17112400 3 774 FUEL INJECTOR KIT REMAN 1 17112401 17112401 3 724 FUEL INLET OUTLET KIT NUT WASHER 1 17111462 17111462 3 734 FUEL METER BODY KIT 1 17112407 17112407 3 734 FUEL METER KIT INJECTORS PRESSURE REG INCL 1 17112398 17112398 3 734 FUEL PRESS REG COVER KIT 1 17112399 17112399 3 764 SENSOR KIT THROTTLE POSITION 1 17112679 17112679 ADDITIONAL ATTACHING PARTS DIV GROUP MODEL USAGE NOUN NAME DESCRIPTION OTY PART 1 3 726 F 5 0E GASKET T B I 01 10129563 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS CHEVROLET 17F i i 1 T 3 725 3 84 1 92