I 1F03 012 120487 GI I 6 g OQ O I 0 g il b I I ITM A I ZE B D VC I wu R ITA ao I fi s I Mszzga fj m I L E W QI I I I 1 is G I I Q V I 1 I I I 1 1 g 1 E QI I Q GD I I I Q AQ Q 1 I 1F03 012 1987 89 F ENGINE EMISSION CONTROLS 5 7L V8 L98 5 7 8 PART I 1988 GENERAL MOTORS SERVICE PARTS 0PERAT ONS CHEVROLET 17F 3 000 GROUP 3 112 6 88