PONTIAC EXHAUST EMISSION TUNE UP LABELS EMISSION YEAR MODEL AND USAGE CODE STANDARDS PART NO 1979 H 231A w M T BE Fed 25501055 1979 H 231A w M T BH Calif 25501057 1979 H 231A w M T BW Fed 25501670 1979 H 231A w A T BX Hi Alt 25501671 1979 H 231A w A T B1 Calif 25501674 1979 X 305 exc Z94 D6 Fed 14010240 1979 X 350 D8 Calif 14010243 1979 X 350L D9 Hi Alt 14010244 1979 X 350L L2 Calif 14010245 1980 NOTE 1 T0 improve cold start problems NOTE 2 To improve durability NOTE 3 Use with engine family O1C2EY instruction cluster warning flag 1980 A G 301W w A T A C exc W72 TC 10011515 1980 A G 301W w A T exc A C W72 TD 10011516 1980 A B F G 301W w A T exc A C TF 10011517 1980 A B F G 301W w A T A C TH 10011518 1980 A G 301W w A T W72 exc A C TJ Fed 10011519 1980 A G 301W w A T A C W72 TK 10011520 1980 A F G 4 3S w A T exc A C R4 Fed 10016213 1980 A F G 4 3S w A T A C R5 Fed 10016214 1980 A 229 w A T AB 14020621 1980 A B 305H 26 14023197 1980 A 229 w M T ZR 14021871 1980 A 229 ALC Fed 14031178 1980 A F G 231A w M T M15 KB Fed 25505712 1980 A G 231A w A T MV9 KF Fed 25505716 1980 A G 231A w A T KG Fed 25505724 1980 A B G 231 A w A T NB1 KK 25506299 1980 A F H 231 A w A T KP Calif 25506764 1980 B 301W w A T A C TC 10011515 1980 B 301W w A T exc A C TD 10011516 1980 B 4 3S exc A C R4 Fed 10016213 1980 B 4 3S w A C R5 Fed 10016214 1980 B 305H AM Fed 14020623 1980 B 350R ST Calif 22509357 1980 B 350N exc Z49 HR Fed 22505245 1980 B 350N SJ Calif 22508206 1980 B 231A exc NB1 KA Fed 25505711 1980 B Sta Wag 350X w A C NE Fed 25505721 1980 B 350X w A C exc Sta Wag NF Fed 25505722 1980 B 231 A w NB1 A T KR Calif 25507880 1980 F 301W w A C P5 10011536 1980 F 301W exc A C TJ 10011519 1980 F 301W w A T A C TK 10011520 1980 F 4 9 w A C TS 10011526 1980 F 301W exc A C P4 Fed 10011535 1980 F 301W w A C P5 Fed 10011536 1980 F 305H exc WS4 W66 27 Calif 14023198 1980 F 305H w Z28 28 Calif 14023199 1980 F H 231 A w M T KN Calif 25506763 1980 F H 231A w A T M38 KA Fed 25505711 1980 G 231A w A T Closed Loop NB1 GB Fed 25508363 1980 H 231A w A T KE Calif 25505715 1980 H 151V w M T exc A C TI Fed 10011527 1980 H 151V w M T A C TU Fed 10011528 1980 H 151V w A T exc A C T N Fed 10011529 1980 H 151V w A T A C TX Fed 10011530 1980 H 151V w M T exc A C TY Calif 10011531 1980 H 151V w M T A C TZ Calif 10011532 1980 H 151V w A T exc A C R2 Calif 10011541 1980 H 151V w A T A C R3 Calif 10011542 1980 H 231 A w M T KT Calif 25506888 1980 H 231A w M T M20 KB Fed 25505711 2A w WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION r 89 486