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Can a Ford Flex use E85 gas?

Yes, the Ford Flex can use E85 gasoline, which is a fuel blend containing up to 85% ethanol and 15% regular gasoline. However, it's important to note that not all Ford Flex models are compatible with E85 fuel, and using the wrong fuel type can potentially damage the vehicle's engine.


Understanding E85 Compatibility in the Ford Flex


The Ford Flex is a midsize crossover SUV that has been in production since 2008. Certain model years and trim levels of the Flex are designed to be compatible with E85 fuel, while others are not. To determine if a specific Ford Flex model can use E85, you'll need to check the vehicle's owner's manual or consult with a Ford dealer.


Generally, Ford Flex models that are equipped with a flex-fuel engine are capable of using E85 gasoline. These models will typically have a "Flex Fuel" badge or label on the exterior of the vehicle, indicating their compatibility with the alternative fuel.


Potential Benefits and Drawbacks of Using E85 in the Ford Flex


Using E85 fuel in a compatible Ford Flex can provide several potential benefits, including:



  • Increased Horsepower: E85 fuel has a higher octane rating than regular gasoline, which can result in a slight increase in engine power and performance.

  • Reduced Emissions: Ethanol-based fuels like E85 can produce lower levels of certain tailpipe emissions, such as carbon monoxide and particulate matter.

  • Potential Cost Savings: In some regions, E85 fuel may be priced lower than regular gasoline, potentially resulting in cost savings for drivers.


However, there are also some potential drawbacks to using E85 in the Ford Flex, including:



  • Reduced Fuel Economy: E85 fuel has a lower energy content than regular gasoline, which can result in a decrease in fuel efficiency and a shorter driving range per tank.

  • Compatibility Concerns: If a Ford Flex model is not specifically designed for E85 use, using the alternative fuel could potentially cause damage to the vehicle's engine or fuel system.


It's important for Ford Flex owners to carefully consider the potential benefits and drawbacks of using E85 fuel and to consult their vehicle's owner's manual or a Ford dealer before attempting to use the alternative fuel.

What gas can I use in a flex fuel car?


Flexible fuel vehicles (FFVs) have an internal combustion engine and are capable of operating on gasoline and any blend of gasoline and ethanol up to 83%. E85 (or flex fuel) is a gasoline-ethanol blend containing 51% to 83% ethanol, depending on geography and season.



How do I know if my vehicle is E85 compatible?


You can check your owner's manual, the fuel door, or fuel cap to see if your vehicle is E85 compatible.



What is the most common problem with the Ford Flex?


Top Ford Flex Problems

  • Broken Center Console Latch. 102 people have reported this.
  • Brake Noise – Front Grunting / Grinding. 78 people have reported this.
  • Transmission (Red) or Power Transfer Unit (PTU) (Brown) Fluid Leaks at Axle Area.
  • A/C Fan Speed Changing Constantly.
  • Rear Brakes Drag, Make Rhythmic Sound.



What happens if I put E85 instead of 87?


FFVs are capable of running on both ethanol-gasoline blends like E85 and regular gasoline. However, it is NOT recommended to put E85 fuel in any vehicle other than a flex fuel vehicle. Doing so can ruin the engine and void the manufacturer's warranty.



Can I put E85 in my flex fuel car?


Yes. Your FlexFuel car can operate on any fuel from plain, non-ethanol gasoline (E-0) to E-85, or any mixture of ethanol-blend gasolines with any octane rating of '87' or higher. E-10, ' is the most common ethanol blend available.



Can you use E85 in a Ford Flex?


As the name suggests, Flex Fuel vehicles are incredibly versatile when it comes to fuel options. You can choose between E85 or regular gasoline depending on availability and pricing.



How do I know if my car can use E85?


You can check your owner's manual, the fuel door, or fuel cap to see if your vehicle is E85 compatible. You can check your owner's manual, the fuel door, or fuel cap to see if your vehicle is E85 compatible.



What Ford vehicles can use E85?


  • TRANSIT CONNECT. Cargo Van/Passenger Wagon. Ethanol* CNG.
  • TRANSIT. Cargo Van. Ethanol* Biodiesel.
  • TRANSIT. Passenger Wagon. Ethanol* Biodiesel.
  • E-SERIES. Cutaway Chassis* Ethanol (E85) CNG/Propane.
  • F-SERIES SUPER DUTY. Pickup* Ethanol (E85) Biodiesel.
  • F-SERIES SUPER DUTY. Chassis Cab* Ethanol (E85)
  • F-650/F-750. Chassis Cab. Biodiesel.



Can I put E85 in my Ford Flex?


As the name suggests, Flex Fuel vehicles are incredibly versatile when it comes to fuel options. You can choose between E85 or regular gasoline depending on availability and pricing.



What type of gas does a Ford Flex take?


Regular unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.