Have you ever wondered what all the different fuels at the gas station were? While most people know about gasoline and diesel, E85 is a little more of an unknown. You must be wondering “Can I Use E85 in My Car” But what exactly is E85, and what would happen if you accidentally put it into your gas tank?
What Cars Can Use E85 Fuel?
Cars that can use E85 are labeled as flex-fuel vehicles. These vehicles have gained popularity in recent years and allow you to drive slightly more environmentally friendly vehicles while paying less money at the fuel pumps.
You may want to know “Can I Use E85 in My Car?” and the easiest way to tell if your car can use flex-fuel is to look at the gas cap. If it’s yellow and labeled with E85 as well as other fuel types, you’re good to go!
If you’re still unsure after checking the gas cap, you can also check your owner’s manual. But if you’ve lost it, you can head over to a site like VINfreecheck.com, and once you put in your vehicle’s VIN, they’ll let you know what kind of engine is in your car. From there, you’ll know for sure if you can run flex-fuel or not!
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problems#1 Best Overall
- Test your fuel for proper ethanol levels to ensure it does not damage your engine. Test kit also tests for e85.
- Simple test to discover the percentage of ethanol alcohol in gasoline. With readings of e10, e15, e20, e25, e80, e85 and e90
- High levels of ethanol could damage your fuel system and lower your fuel mileage.
- Ethanol can damage motors not equipped or designed to use it, test your gasoline first.
- Easy to read label and instructions that is laminated to prevent fading or the ink rubbing off. Testing bottle can be reused over and over.
Most flex-fuel vehicles can use flex-fuel and regular gas, and it doesn’t matter if you mix it up. However, if your car has a traditional gas cap and doesn’t have an E85 label, you should not put E85 in your vehicle.
What is E85 Fuel?
Most gasoline is mixed with ethanol; it’s just the amount of ethanol that it’s mixed with that changes. Regular gasoline has less than 10 percent ethanol, with the rest being gasoline. E85 flips those ratios completely around.
Instead of less than 10 percent ethanol, it’s 85 percent ethanol and only 15 percent gasoline. This difference matters because ethanol burns differently then gasoline, and if the manufacturer didn’t design your engine to handle it, it could cause some damage.
What Is Ethanol?
For the most part, ethanol is fermented corn. Yup, it’s the same stuff breweries use to make your alcoholic beverages. The most significant difference is that ethanol used for your fuel is mixed with some additional toxic bittering agents, and then mixed with gasoline.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Don’t misunderstand us; you can’t dump a bottle of vodka into your gas tank and expect it to work (unless you drive an old Model-T!). But that’s only because the electronics in your car can’t handle the alcohol, and it will ruin them.
Rank #2
![[2-Pack] Reusable Ethanol Testing Kit - Wide Mouth Fuel Test Bottle for E85 and Ethanol Levels - Fewer Spills and Clear Results in Minutes - Test Hundreds of Times - Two Ethanol Test Bottles Included](https://m.media-amazon.com/images/I/51n+oPbsvaL._SL160_.jpg)
- Wide Mouth Design for Fewer Spills: Designed specifically with a wide mouth to easily pour gasoline and water into the bottle without spills and leaks. No more getting gas on your hands or searching for a funnel to fill and test your ethanol levels
- Reusable Over and Over: This fuel test bottle allows you to measure ethanol or E85 levels in your gasoline hundreds of times, with a screen-printed label made to last
- Quick and Clear Results: Test your gasoline levels in 5 minutes and three simple steps. Add water to the Water Fill Line. Then add gas to the Gasoline Fill Line. Shake well and wait five minutes. Gasoline and water will separate to provide clear results
- Easy to Read Label: With bright Water and Gasoline Fill lines and clear percentage levels, measuring gasohol, ethanol or E85 levels in your fuel has never been easier
- Protect Your Engine in Minutes: Ensure correct ethanol levels to protect and maintain your engine with our quick 5 minute test. Whether you are looking for an ethanol test kit or an E85 test kit, this bottle will correctly measure alcohol levels in both types of gasoline
The actual combustion chamber can absolutely run off hard liquor. However, gasoline is far more efficient. Running cars off of pure ethanol or alcohol will end up causing all sorts of damage.
However, fuel manufacturers can mix a small amount of ethanol into gasoline without causing any problems, and Congress regulates the amount of ethanol that they can mix into your fuel.
Why Do We Have Ethanol in Our Fuel?
There are a few reasons why mixing ethanol with our gasoline makes sense. The first reason is that it’s cheap. In fact, it’s far less expensive than gasoline. It’s why when you see E85 at the pump, which contains far more ethanol the traditional gasoline, it’s cheaper.
Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minutePC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11But the advantages of ethanol go beyond the price tag; it’s also more environmentally friendly. Fuel manufacturers make ethanol from corn, crop waste, wood chips, or sugarcane. These are more environmentally friendly and sustainable options than oil.
However, the downside to ethanol is that it isn’t as fuel-efficient as gasoline. The more ethanol that’s mixed into your fuel, the more often you’re going to need to fill up your tank. In fact, if your gasoline contains 10 percent ethanol, you’ll get 3 percent less fuel efficiency then if you were using pure gasoline.
Rank #3
- 【Protect Your Engine】This ethanol tester E85 can get the ethanol level in gasoline and E85 pump gas in just 5 minutes, testing the fuel's ethanol content at peak levels to make sure it won't damage your engine.【Please note】The lid is designed with a self release safety point. Simply twist the lid until you feel slight resistance, then stop. This ensures a secure fit without loosening
- 【Reduce Spills】The wide mouth style of gasoline fuel test bottle is designed to reduce spills and prevent leaks by making it easy to pour gasoline and water into the bottle for testing without the use of a funnel, preventing gasoline from getting on your hands
- 【Test Procedure】Only three simple tests are required to find the percentage of ethanol in gasoline/E85 pump gas; First add water to the blue water line, then pour gasoline to the red gasoline line, then tighten the cap, shake the ethanol tester E85 for 5 seconds, and let it rest on a flat surface for 5 minutes; The gasoline and water will separate to provide a clear result
- 【Reusable and Durable】The E85 Fuel Test Kit is made of high density material, which is durable and corrosion resistant, allowing you to measure ethanol or E85 in gasoline hundreds of times
- 【Easy To Read Percentages】Fade and wipe proof instructions are screen printed for long lasting durability and legibility, and the transparent bottle helps to visualize the testing process
That means if you’re thinking that “Can I Use E85 in My Car or should I go with traditional fuel then you will be surprised to know that using E85 as your fuel, even with a flex-fuel vehicle, you’re going to see a reduction in fuel economy.
What Happens If I Put E85 in My Car?
E85 will run differently than traditional gasoline. This doesn’t change whether you have a flex-fuel vehicle or not.
Recommended Free Tools
If You Have a Flex-Fuel Vehicle
If you have a flex-fuel vehicle, then the most significant difference you’re going to see is in your fuel efficiency. Ethanol is 33 percent less fuel-efficient than gasoline, and you’re going to notice that you need to fill up more often if you use E85.
However, with a flex-fuel vehicle, you won’t see any reduced engine performance, you won’t see a check engine light, and you don’t run the risk of causing unnecessary engine damage.
If You Don’t Have a Flex-Fuel Vehicle
The biggest thing that you’re going to notice is reduced performance. Your car will still run; it just might not run as well. Additionally, your vehicle is going to burn through E85 faster than it would with regular gasoline.
Rank #4
- Protect Your Engine: This precision e85 tester kit bottle provides accurate readings of ethanol percentages, simply and accurately check the percentage of ethanol content in your E85 pump gas. Empowering you to maintain peak engine performance and efficiency.
- User-Friendly Design: Wide Mouth Design ensures a hassle-free testing experience. Don't worry about spillage or leakage when pouring gasoline and water into the Fuel Test Bottle.
- Durable and Clear Label: The high-quality printed and laminated label is designed to resist fading or wiping off, allowing for easy visualization of the testing process. This e85 tester kit bottle made of shatterproof clear plastic can be reusable over and over.
- Simple Test Steps: Fill water to the blue water line, carefully pour gasoline up to the red gasoline line, screw the cap on tightly, shake the ethanol test bottles for 5 seconds, and sit upright for 5 minutes. Gas and water will separate to reveal the ethanol percentage.
- WARNINGS: This Ethanol Content Tester is intended for testing only, do not store gasoline in this bottle. Keep away from heat and open flame, flammable when in use.
Additionally, your check engine light will likely turn on. When this happens, don’t panic. Your engine is doing everything that it should when you introduce a foreign mixture to its system. As the fuel burns off, the check engine light will turn off by itself.
After reading this, you might find yourself why it’s such a big deal that you put the right fuel in your car. The big takeaway is that this is what will happen if you introduce the wrong fuel once. A one-time mix-up isn’t likely to cause long-lasting damage.
However, if you continue to put the wrong fuel in your car, you will cause damage and could end up totaling your engine. Can I Use E85 in My Car?E85 burns differently than regular fuel, and the manufacturer didn’t design your engine to handle it. Your engine is tough, but it’s not tough enough to handle consistent abuse.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What Should I Do If I Put E85 in My Car?
If you don’t have a flex-fuel vehicle and you put E85 in your car, you don’t need to panic. If you don’t have a full tank of gas, you should top it off with regular gasoline as soon as possible. This will help to dilute the ethanol content and get your fuel back to a heavier gasoline mixture.
The more often you top off your fuel with the right mixture, the quicker this light will turn off. Until you burn through the E85, we recommend that you top off your fuel regularly to dilute the E85 as soon as possible.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Best Value
- SPILL-PROOF WIDE MOUTH DESIGN: This e85 ethanol tester features an wide opening that eliminates messy spills when pouring gasoline/water, and no funnel required. The leak-resistant construction keeps hands clean while collecting fuel samples, making this ethanol tester for gasoline ideal for garage and field use.
- 3-STEP ACCURACY IN 5 MINS: Get laboratory-grade precision through this e85 fuel octane tester: First: fill to blue water line. Next: add gas to red fuel line. And then shake and wait 5 minutes. The e85 fuel test bottle clearer ethanol percentage readings than standard test kits.
- PROFESSIONAL-GRADE DURABILITY: This octane tester for gasoline constructed with chemical-resistant HDPE material that withstands 200+ test cycles. Heat-defying walls prevent warping in extreme temps, while the scratch-proof screen-printed markings stay legible through heavy use.
- SMART DUAL MEASUREMENT SYSTEM: The e85 octane tester color-coded fill lines (blue for water/red for gas) align with 5% increment scales on both front/back sides. The ultra-clear e85 fuel test bottle body allows 360° visual verification, ensuring precise E85 compatibility checks for any engine type.
- PORTABLE AND LIGHTWEIGHT: Measuring 5.9 inches with a 1-ounce featherweight profile, this e85 tester kit delivers professional-grade ethanol testing anywhere. Obtain precise readings within 5 minutes to verify fuel ethanol levels, safeguarding your engine's peak performance through optimal fuel quality control.
The less time you have your engine running with the wrong ethanol mixture, the better. But, as long as you don’t consistently put E85 into your gas tank, you should be OK from any long-term damage.
So, don’t go rushing to the mechanic, telling them that they need to drain your fuel tank. While they might try and rip you off and do it, most mechanics will send you on your way and tell you everything will be fine, and not to do it again!
The Final Fill-Up
So, you must have got the answer regarding Can I Use E85 in My Car? what do you do if you put E85 in your car? Keep driving, of course! But if you don’t have a flex-fuel vehicle, try to keep it at a one-time mistake.
Ethanol is a great way to make your gasoline a little cleaner and cheaper, but if you don’t have a flex-fuel vehicle, all you’ll end up doing is causing a ton of damage.
Free tools Windows power users keep installed
One-click scans. No signup required.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
