Many customers have inquired if they are able to use E85 fuel in non-E85 compatible vehicles. Only vehicles designated for use with E85 should use E85 blended fuel. E85 compatibility is designated for vehicles that are certified to run on up to 85% ethanol and 15% gasoline. All other gasoline engines are designed to run on fuel that contains no more than 10% ethanol. Use of fuel containing greater than 10% ethanol in non-E85 designated vehicles can cause driveability issues, service engine soon indicators as well as increased fuel system corrosion.

Notice: Use of fuel containing greater than 10% ethanol in non-E85 designated vehicles can cause driveability issues, service engine soon indicators as well as increased fuel system corrosion.

E85 Compatible Vehicles
The only E85 compatible vehicles produced by General Motors are:

2000-2002 S-Series pickups with 2.2L (VIN 5- RPO L43)

2002-2005 full-size pickups and utilities with 5.3L (VIN Z -- L59)

2006 Chevrolet Avalanche, Silverado, Suburban, Tahoe with 5.3L (VIN Z -- RPO L59)

2006 Chevrolet Impala, Monte Carlo with 3.5L (VIN K -- RPO LZE)

2006 GMC Sierra, Yukon, Yukon XL with 5.3L (VIN Z -- RPO L59)

2007 Chevrolet Avalanche, Suburban, Tahoe with 5.3L (VINs 0, 3 -- RPOs LMG, LC9)

2007 GMC Yukon, Yukon XL with 5.3L (VINs 0, 3 -- RPOs LMG, LC9)

2007 Chevrolet Impala, Monte Carlo with 3.5L (VIN K -- RPO LZE)

2007 Saturn Relay, Buick Terraza, Chevrolet Uplander, Pontiac Montana SV6 (Canada Only) with 3.9L (VIN W -- RPO LGD)

Notice:

Only vehicles that are listed in the E85 Compatible Vehicles section of this bulletin are E85 compatible.

All other gasoline and diesel engines are NOT E85 compatible.

Use of fuel containing greater than 10% ethanol in non-E85 designated vehicles can cause driveability issues, service engine soon indicators as well as increased fuel system corrosion


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