Skip the auto shop - Our mechanics make house calls

Q: Can I put E85 in my gas tank?

asked by on

Around my gas tank the truck says it accepts E85. When I bought the truck though the owner of the truck said only to put in E89 gasoline in to the engine. I believe he used some type of computer programmer to alter the computer to only use regular fuel and not E85. I do not have any type of computer programmer so im not sure what he did. Without possibly "switching it back." Is it possible that I can put in E85 in the truck yet? Or is it best to get a computer programmer to switch it back?

My car has 55000 miles.
My car has an automatic transmission.

If the previous owner specifically asked you not to, they may have known about an issues the vehicle has when using E85. It may be necessary to visit your local dealer to take a look at the truck to see if any modifications have been to the point where programming was done that altered how the vehicle burns fuel. Be very careful changing fuels and messing with the vehicle programming as some devices can void the vehicle warranty.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car shut down while driving, but started right back

Hello - your diagnostic intuition is good, this problem is most likely a fuel supply problem! A failing fuel pump, clogged fuel filter, or fuel pump with burned contacts could all cause the "loss of power" behavior you experience. If...

Q: Purchased new computer,does it need programed,if so who does that

Try to hook it up to your B2500 and see if it will start and run. If it does then your okay to go with out programming. If not then you would need to have a dealer program it after...

Q: Why does my engine light keep coming back on after I fixed the part the code it blew

Hi there: One of the major problems car owners have with mechanics or dealerships specifically is that they really don't go the extra effort to fix all issues with a vehicle. In most cases, they'll receive a complaint from a...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...