General Motors

2007
Ethanol Compatible Vehicles
5.3L V-8 engine Chevy Silverado and GMC Sierra half-ton pickups 2WD & 4WD
- 8th character of VIN must be 0, 3 or Z
5.3L Vortec-engine Avalanche, Suburban, Tahoe, Yukon & Yukon XL
- 8th character of VIN must be 3 or 0
3.5L Chevy Impala
- LS, 1LT & 2LT
- 8th character of VIN must be K
3.5L Chevy Monte Carlo
- LS and LT models only
- 8th character of VIN must be K
5.3L Chevy Express
- 8th character of VIN must be Z
5.3L GMC Savana
- 8th character of VIN must be Z
3.9L Chevy Uplander
- 8th character of VIN must be W
3.9L Pontiac Montana
- Offered only in Canada and Mexico by special order
- 8th character of VIN must be W
3.9L Saturn Relay
- 8th character of VIN must be W
3.9L Buick Terraza
- 8th character of VIN must be W

2006
Ethanol Compatible Vehicles
3.5L Chevy Impala
- LS, 1LT & 2LT
- 8th character of VIN must be K
3.5L Chevy Monte Carlo
- LS and LT models only
- 8th character of VIN must be K
5.3L Vortec-engine Avalanche
- 8th character of VIN must be Z
5.3L Vortec-engine Police Package Tahoe
- 8th character of VIN must be 2
5.3L V-8 engine Chevy Silverado and GMC Sierra half-ton pickups 2WD & 4WD
- 8th character of VIN must be Z
5.3L Vortec-engine Suburban, Tahoe, Yukon and Yukon XLs
- 8th character of VIN must be 2

2005
Ethanol Compatible Vehicles
5.3L Vortec-engine Avalanche
- 8th character of VIN must be Z
5.3L Vortec-engine Police Package Tahoe
- 8th character of VIN must be 2
5.3L V-8 engine Chevy Silverado and GMC Sierra half-ton pickups 2WD & 4WD
- 8th character of VIN must be Z
5.3L Vortec-engine Suburban, Tahoe, Yukon and Yukon XLs
- 8th character of VIN must be 2

2004
Ethanol Compatible Vehicles
5.3L V-8 engine Chevy Silverado and GMC Sierra half-ton pickups 2WD & 4WD
- 8th character of VIN must be Z
5.3L Vortec-engine Suburban, Tahoe, Yukon and Yukon XLs
- 8th character of VIN must be 2

2003
Ethanol Compatible Vehicles
5.3L V-8 engine Chevy Silverado and GMC Sierra half-ton pickups 2WD & 4WD
- 8th character of VIN must be Z
5.3L Vortec-engine Suburban, Tahoe, Yukon and Yukon XLs
- 8th character of VIN must be 2

2002
Ethanol Compatible Vehicles
5.3L V-8 engine Chevy Silverado and GMC Sierra half-ton pickups 2WD & 4WD
- 8th character of VIN must be Z
5.3L Vortec-engine Suburban, Tahoe, Yukon and Yukon XLs
- 8th character of VIN must be 2
2.2L Chevrolet S-10 pickup 2WD
- 8th character of VIN must be 5
2.2L Sonoma GMC pickup 2WD
- 8th character of VIN must be 5

2001
Ethanol Compatible Vehicles
2.2L Chevrolet S-10 pickup 2WD
- 8th character of VIN must be 5
2.2L Sonoma GMC pickup 2WD
- 8th character of VIN must be 5

2000
Ethanol Compatible Vehicles
2.2L Chevrolet S-10 pickup 2WD
- 8th character of VIN must be 5
2.2L Sonoma GMC pickup 2WD
- 8th character of VIN must be 5