FuelSync Official Site | Save Up to 35% On Fuel

What Experts Are Saying

M

“We see these OBD2 tuning devices all the time. Most are junk. But the principle behind FuelSync is solid. It remaps the ECU's fuel table based on real-world driving, not just factory settings. For the average driver, this can lead to noticeable efficiency gains without any risk to the engine. It’s a smart, non-invasive performance upgrade.”

Marcus Thorne, Certified Automotive Technician

J

“The beauty of FuelSync is its simplicity. There's no app, no wires, no complicated setup. You plug it in and forget about it. In a market flooded with complex gadgets, this 'set it and forget it' approach to saving money is incredibly appealing. It delivers on its core promise without adding any hassle to the user's life.”

Jenna Caldwell, Consumer Tech Analyst

Start Saving in 3 Simple Steps

1

Step 1: Plug It In

With the ignition off, locate your car's OBD2 port (usually under the dashboard) and plug in your FuelSync device.

2

Step 2: Drive 150 Miles

Turn on the ignition and drive as you normally would for about 150 miles. This allows FuelSync to analyze your car's ECU and your personal driving style.

3

Step 3: Enjoy the Savings

FuelSync automatically creates a custom fuel map for your vehicle. You'll start to notice improved mileage and better performance on every trip.

FuelSync vs. The Others

See why customers are choosing FuelSync over the competition.

Feature	FuelSync	Others
Intelligent ECU Remapping	✓	✗
Plug & Play Installation	✓	✗
Boosts Performance	✓	✗
Completely Safe & Reversible	✓	✗
Broad Vehicle Compatibility	✓	✗
30-Day 'Drive and Decide' Money-Back Guarantee	✓	✗

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Why Choose FuelSync

✓

Intelligent ECU Remapping

After a 150-mile learning period, FuelSync builds a custom fuel map based on your unique driving habits. This helps maximize your car's MPG without you having to change the way you drive.

✓

Plug & Play Installation

No mechanics, no tools, no technical skills needed. If you can plug in a phone charger, you can install FuelSync. Simply locate your car's OBD2 port and plug it in.

✓

Boosts Performance

By optimizing the fuel and ignition maps, FuelSync can also help unlock latent power in your engine. Many users report a noticeable improvement in throttle response and acceleration.

✓

Completely Safe & Reversible

FuelSync never overwrites your car's permanent ECU settings. It operates within the manufacturer's tolerances and makes no permanent changes. Simply unplug it to return your car to its factory settings instantly.

✓

Broad Vehicle Compatibility

This device works with virtually any fuel-injected car manufactured after 1996, as all of them are required to have an OBD2 port. It's compatible with both gasoline and diesel engines.

✓

Compact & Discreet

The small device plugs directly into the OBD2 port, usually located under your dashboard. It stays out of sight and out of mind, working silently to save you money.

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What Our Customers Are Saying

★ 4.8/5 based on 5 verified reviews

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David R.

Dallas, TX

★★★★★

I was a total skeptic. Figured this was another one of those miracle gadgets that does nothing. But my weekly gas bill for my commute has dropped from around $85 to just under $60. It's been three months and the savings are consistent. This thing actually paid for itself in the first month.

✓ Verified Buyer

M

Maria G.

San Diego, CA

★★★★★

My 2015 Honda CR-V was getting about 26 MPG. After installing FuelSync and driving for a couple of weeks, I'm now consistently getting 31-32 MPG on the same routes. It's not just the savings, the car feels a little peppier too. Very happy with this purchase.

✓ Verified Buyer

B

Brian S.

Chicago, IL

★★★★★

I do a lot of highway driving for work. I track my mileage religiously. Before FuelSync, my best tank was 420 miles. My first full tank after the 150-mile calibration period? 485 miles. The math doesn't lie. It works.

✓ Verified Buyer

S

Samantha P.

Miami, FL

★★★★☆

Honestly, the best part is not having that constant anxiety about gas prices. I just drive. I know this little device is working in the background to make my car more efficient. It's a huge peace of mind for a relatively small price.

✓ Verified Buyer

K

Kevin T.

Denver, CO

★★★★★

Installation was as easy as they said. Found the port on my F-150 right where the manual said it would be. Plugged it in, and that was it. I haven't done the math on savings yet, but the truck definitely feels more responsive when I step on it.

✓ Verified Buyer

L

Linda W.

Austin, TX

★★★★★

My husband bought this for my car after he saw results on his truck. I was getting around 24 MPG on my Camry and now I am consistently hitting 29-30. We have saved over $200 in the last three months combined between both vehicles. Worth every penny.

✓ Verified Buyer

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Frequently Asked Questions

Is FuelSync safe for my engine? +

Yes, absolutely. FuelSync works within the manufacturer's specifications and tolerances. It does not make any permanent changes to your car's computer. If you unplug the device, your car immediately reverts to its factory settings.

Will this void my car's warranty? +

No, it should not void your vehicle's warranty. Because FuelSync is a plug-and-play device that does not permanently alter your vehicle's software, it is undetectable once removed. It's similar to using a plug-in GPS or phone charger.

What cars are compatible with FuelSync? +

FuelSync is compatible with most vehicles manufactured after 1996, as this is when the OBD2 port became a standard feature in all cars and light trucks.

How difficult is it to install? +

It's incredibly easy. Simply locate your car's OBD2 port (usually under the dashboard near the steering column), and plug FuelSync in. No tools or technical knowledge are required.

How long does it take to see results? +

FuelSync needs about 150 miles of driving to analyze your vehicle's data and your driving habits. After this initial period, it creates the optimized fuel map, and you should begin to see improvements in your fuel economy.

What if I'm not happy with it? +

We offer a 30-Day Money-Back Guarantee. If you're not satisfied with the performance of your FuelSync for any reason, simply contact our customer support within 30 days of purchase for a full refund.

This Tiny “Secret Weapon” For Your Car Is Forcing Gas Stations to Lower Your Bill.

Helps Save Up to 35% on Fuel Costs

Installs In Under 60 Seconds

Works With Most Cars Made After 1996

Improves Horsepower & Acceleration

What Experts Are Saying

Start Saving in 3 Simple Steps

Step 1: Plug It In

Step 2: Drive 150 Miles

Step 3: Enjoy the Savings

FuelSync vs. The Others

Why Choose FuelSync

Intelligent ECU Remapping

Plug & Play Installation

Boosts Performance

Completely Safe & Reversible

Broad Vehicle Compatibility

Compact & Discreet

Special Limited Time Offer

What Our Customers Are Saying

Frequently Asked Questions