1988 ELECTRONIC FUEL INJECTION EFI THROTTLE BODY INJECTED FOLLOW PROCEDURES 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 WITI IT SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE COL NO 17088139 234 N 2 5U W A T MD9 1 17088138 234 N 2 5U W M T MT2 2 GROUP DESCRIPTION QTY 1 2 3 4 5 3 725 THROTTLE BODY INJE Z TION PRODUCTION 1 17088139 17088138 3 724 GASKET KIT 1 17076153 17076153 3 725 THROTTLE BODY INJECTION SERVICE 1 17112036 17112035 3 729 BODY KIT THROTTLE 1 17111911 17111911 3 734 COVER KIT FOUR VACUUM PORT 1 17111915 17111915 3 724 FASTENER ASSORT KIT 1 17111819 17 111819 3 774 FUEL INJECTOR KIT 1 17111986 17111986 3 734 FUEL METER BODY KIT 1 17111989 17111989 3 724 NUT KIT FUEL INLET OUTLET 1 17111818 17111818 3 764 SENSOR KIT THROTTLIE POSITION 1 17111822 17111822 3 820 VALVE KIT IDLE AIR CONTROL 1 17111826 17111826 ADDITIONAL ATTACHINIG PARTS DIV GROUP MODEL USAGE NOUN NAME DESCRIPTION OTY PART 234 3 726 N 2 5U GASKET T IE1 I 01 10066605 19911 GENERAL MOTORS SERVICE PANTS DPERAT ONS PONT AC 22N 2 91 347 3 725