GM3 6B 1 1981 Y ELECTRONIC EMISSION CONTROL E 20 1 3 670 CONTROLLER ECM Remanufactured 4 4 1224810 E 20 2 3 670 CALIBRATION UNIT PmmI Code 60B4FN W M T Fnd 1st Des 1 1225310 E 20 3 670 CALIBRATION UNIT Prom Code S10HOI W M T Fed 2nd Des 1225434 E 20 3 670 CALIBRATION UNIT Prom Codc 5B39CF W M T CaIif Ist Des 1 1224865 E 20 3 670 CALIBRATION UNIT Prom Code 81040 I W M T CaIIf 2ndDes 1 1225433 E 20 3 670 CALIBRATION UNIT Pr rn C0de 6079FO W A T Fed 1st Des 1 1225430 E 20 3 670 CALIBRATION UNIT PrornI C0de 81 18OD W A T Fed 2nd Des 1 1225430 E 20 3 670 CALIBRATION UNIT Prom Ccde 6092FR W A T CaIiI 1stDes 1 1225432 E 20 3 670 CALIBRATION UNIT Pmm Ccde B1 140H W T CaIII 1stDes 1 J 1225432 E 23 3 3 662 SENSOR Exh Oxygen 56137I9 E 23 4 3 682 SENSOR Co 1ntTemr 25036092 5 N S Not used on Corvette 6 N S Not used en Corvette E 23 7 3 682 SENSOR Mani DIII Press 16006834 8 N S Not used on Corvette L 9 N S Not used on Corvette 10 N S Not used on Corvette 11 N S Not used on Corvette E 20 12 3 670 SOLENOID EGR Cont Iv Rly W A T 1997536 E 20 3 670 SOLENOID EGR Cont Vlv Rly W M T I 1997516 13 N S Not used on Corvette r i 14 N S Not used on Corvette 15 N S Not used on Corvette E 20 16 3 670 VAL E Air Inj Cont n 17071549 17 N S Not used on Corvette 18 N S Not used on Corvette NOTE I lsr Pnd Design identification determined by carlo WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPOFIATION CHEVROLET 1dA 12 B3 J 1 I 3 000 GROUP