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October 13, 2021 Service bulletin

Ethanol is becoming a common additive in gasoline

Mazda technical service bulletin MT-002-21a for 2004-2021 Mazda MAZDA3, 2013-2021 Mazda CX-5 and 2003-2021 Mazda MAZDA6 and others.

Bulletin number
MT-002-21a
Component
Fuel system, other
Summary
Ethanol is becoming a common additive in gasoline. Gasoline containing ethanol is likely available at your local gasoline station. Typical blends of ethanol include E10 and E85. E10: A blend of 10% ethanol and 90% gasoline. E85: A blend of 85% ethanol and 15% gasoline All Mazda vehicles can run on gasoline containing up to 10% ethanol (E10) but only some 1999-2001 B3000 trucks can run on gasoline with more than 10% ethanol blended. E10 compatible vehicles: All Mazda vehicles. E85 compatible vehicles: 1999-2001 B3000 Mazda trucks with the 8th VIN digit is V.

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