Engine Firing Orders: 2003
GMC C 1500 P/U 2WD 4.3 liter V-6 VIN "W" GMC C 1500 P/U 2WD 4.8 liter V-8 VIN "V" GMC C 1500 P/U 2WD 5.3 liter V-8 VIN "T" GMC C 1500 P/U 2WD 6.0 liter V-8 VIN "U" GMC C 1500 Yukon 2WD 4.8 liter V-8 VIN "V" GMC C 1500 Yukon 2WD 5.3 liter V-8 VIN "T" GMC C 1500 Yukon 2WD 5.3 liter V-8 VIN "Z" GMC C 1500 Yukon XL 2WD 4.8 liter V-8 VIN "V" GMC C 1500 Yukon XL 2WD 5.3 liter V-8 VIN "T" GMC C 1500 Yukon XL 2WD 5.3 liter V-8 VIN "Z" GMC C 2500 P/U 2WD 6.0 liter V-8 VIN "U" GMC C 2500 P/U 2WD 8.1 liter V-8 VIN "G" GMC C 2500 Yukon XL 2WD 6.0 liter V-8 VIN "U" GMC C 2500 Yukon XL 2WD 8.1 liter V-8 VIN "G" GMC C 3500 P/U 2WD 6.0 liter V-8 VIN "U" GMC C 3500 P/U 2WD 8.1 liter V-8 VIN "G" GMC Envoy 2WD 4.2 liter DOHC L6 VIN "S" GMC Envoy 2WD 5.3 liter V-8 VIN "T" GMC Envoy 4WD 4.2 liter DOHC L6 VIN "S" GMC Envoy 4WD 5.3 liter V-8 VIN "T" GMC K 1500 P/U 4WD 4.3 liter V-6 VIN "W" GMC K 1500 P/U 4WD 4.8 liter V-8 VIN "V" GMC K 1500 P/U 4WD 5.3 liter V-8 VIN "T" GMC K 1500 P/U 4WD 6.0 liter V-8 VIN "U" GMC K 1500 Yukon 4WD 4.8 liter V-8 VIN "V" GMC K 1500 Yukon 4WD 5.3 liter V-8 VIN "T" GMC K 1500 Yukon 4WD 5.3 liter V-8 VIN "Z" GMC K 1500 Yukon XL 4WD 5.3 liter V-8 VIN "T" GMC K 1500 Yukon XL 4WD 5.3 liter V-8 VIN "Z" GMC K 1500 Yukon XL 4WD 6.0 liter V-8 VIN "U" GMC K 2500 P/U 4WD 6.0 liter V-8 VIN "U" GMC K 2500 P/U 4WD 8.1 liter V-8 VIN "G" GMC K 2500 Yukon XL 4WD 6.0 liter V-8 VIN "U" GMC K 2500 Yukon XL 4WD 8.1 liter V-8 VIN "G" GMC K 3500 P/U 4WD 6.0 liter V-8 VIN "U" GMC K 3500 P/U 4WD 8.1 liter V-8 VIN "G" GMC S15/T15 Jimmy 2WD 4.3 liter V-6 VIN "W" GMC S15/T15 Jimmy 4WD 4.3 liter V-6 VIN "W" GMC S15/T15 Sonoma P/U 2WD 2.2 liter Flex Fuel L4 VIN "5" GMC S15/T15 Sonoma P/U 2WD 4.3 liter V-6 VIN "W" GMC S15/T15 Sonoma P/U 4WD 4.3 liter V-6 VIN "W" GMC Safari Van 2WD 4.3 liter V-6 VIN "W" GMC Safari Van AWD 4.3 liter V-6 VIN "W" GMC Savana ½-Ton Van 4.3 liter V-6 VIN "W" GMC Savana ½-Ton Van 5.3 liter V-8 VIN "T" GMC Savana ½-Ton Van AWD 5.3 liter V-8 VIN "T" GMC Savana ¾-Ton Van 5.3 liter V-6 VIN "W" GMC Savana ¾-Ton Van 4.8 liter V-8 VIN "V" GMC Savana ¾-Ton Van 5.3 liter V-8 VIN "T" GMC Savana ¾-Ton Van 6.0 liter V-8 VIN "U" GMC Savana ¾-Ton Van AWD 5.3 liter V-8 VIN "T" GMC Savana 1-Ton Van 6.0 liter V-8 VIN "U" GMC Sierra Denali AWD 6.0 liter V-8 VIN "N"
Additional Information provided courtesy of AllDATA
