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Does all E85 fuel contain 85% ethanol? | Fuel Tips | Articles

Does all E85 fuel contain 85% ethanol? | Fuel Tips | Articles

84FSP

UltraDork

7/20/21 7:07 p.m.

Happy that my local pumps are typically 75% E which is pretty nice as I have gotten as low as 55%.  The GM/Conti sensor reads real-time ethanol content out on your standard cheap-o obd scanner.

Look for some more E85 talk in the October issue. Something I learned while talking with Zach: The gasoline component of E85 can vary, too. So E85 could contain 49% 83-octane or 15% 100-octane. 

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