4 6 EMISSION CONTROL AND EXHAUST SYSTEIVI 1 2 V 3 g EEEEEE o I II W TEE EII J gr g r ISAA 5 Is Q II it AAAA 6 T fg g I I 5 g gfgg c M Q 6653 A I Figure 4 3 Vacuum Advance Modulator System 6 Cylinder 6 Z J g r O If T 3 I IT Q I2 J IL 1 F QJ F i mi ee i w Ir hy Wg QQ w K3 I F I I ee I 4 KK 9 5 I E s 6654 or Figure 4 4 Exhaust Gas Recirculation 6 Cylinder AM General Corporation