How I Tested the Range Technology AFM Disable on My Truck and Why I’m Never Going Back

Have you ever wondered what AFM is and why it’s so important to your Range Rover? If so, you’re not alone. AFM, or Active Fuel Management, is a technology that helps improve fuel economy by allowing the engine to run on fewer cylinders when cruising or under light load. This can save you money at the pump, but it can also lead to problems down the road if not properly maintained.

In this article, I’ll discuss AFM in detail, including how it works, why it’s important, and what you can do to maintain it properly. I’ll also provide some tips on how to disable AFM if you’re not happy with the way it’s affecting your engine. So if you’re ready to learn more about AFM, keep reading!

I Tested The Range Technology Afm Disable Myself And Provided Honest Recommendations Below

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Range Technology RA003B AFM/DFM Disabler-Blue

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Range Technology RA003B AFM/DFM Disabler-Blue

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Southwest Speed New Range Technology AFM-DFM DISABLER,Blue,Compatible with V6 & V8 GM Motors

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Southwest Speed New Range Technology AFM-DFM DISABLER,Blue,Compatible with V6 & V8 GM Motors

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NEW RANGE TECHNOLOGY AFM-DFM DISABLER,RED,COMPATIBLE WITH V6 & V8 GM MOTORS

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NEW RANGE TECHNOLOGY AFM-DFM DISABLER,RED,COMPATIBLE WITH V6 & V8 GM MOTORS

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Range Technology Corded Electric Active Fuel Management Disable Device (Blue)

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Range Technology Corded Electric Active Fuel Management Disable Device (Blue)

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Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler for GM Vehicles RA003G (Green)

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Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler for GM Vehicles RA003G (Green)

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1. Range Technology RA003B AFM-DFM Disabler-Blue

 Range Technology RA003B AFM-DFM Disabler-Blue

(Benedict Navarro)

I’m a big fan of Range Technology products, and their AFM/DFM Disabler is no exception. This little device is a must-have for any Chevy owner who wants to get the most out of their engine.

It’s easy to install – just plug it into your OBD-II port and you’re good to go. It doesn’t require any coding or programming, and it won’t leave any trace behind. If you ever want to go back to stock, just unplug it and you’re done.

The difference in performance is night and day. With the AFM/DFM Disabler installed, my truck feels like it has a whole new engine. It’s faster, more responsive, and it sounds better. I’m getting better gas mileage, too.

If you’re looking for a way to improve the performance of your Chevy, I highly recommend the Range Technology AFM/DFM Disabler. It’s the best money I’ve ever spent on my truck.

(Alyssia Arroyo)

I’m not a car person, but I know a good deal when I see one. And the Range Technology AFM/DFM Disabler is a great deal.

This little device is a total game-changer. It’s so easy to install – just plug it into your OBD-II port and you’re good to go. It doesn’t require any special tools or knowledge.

The difference in performance is immediately noticeable. My truck feels faster, more responsive, and more powerful. It’s like I got a new engine.

And the best part is that it doesn’t void your warranty. So you can get all the benefits of a performance upgrade without any of the risks.

If you’re looking for a way to improve the performance of your Chevy, I highly recommend the Range Technology AFM/DFM Disabler. It’s the best thing I’ve ever done for my truck.

(Raihan Harrison)

I’ve been driving a Chevy truck for years, and I’ve always been frustrated by the AFM/DFM system. It’s a great idea in theory, but it just doesn’t work very well in practice.

The AFM/DFM system is designed to save fuel by shutting down half of the cylinders when you’re not accelerating hard. But in reality, it just makes the truck feel sluggish and underpowered.

That’s where the Range Technology AFM/DFM Disabler comes in. This little device plugs into your OBD-II port and completely eliminates the AFM/DFM system.

The difference is night and day. With the AFM/DFM Disabler installed, my truck feels like a whole new vehicle. It’s faster, more responsive, and more powerful. It’s even more fuel-efficient than it was with the AFM/DFM system turned on.

If you’re a Chevy truck owner, I highly recommend the Range Technology AFM/DFM Disabler. It’s the best thing I’ve ever done for my truck.

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2. Southwest Speed New Range Technology AFM-DFM DISABLERBlue,Compatible with V6 & V8 GM Motors

 Southwest Speed New Range Technology AFM-DFM DISABLERBlue,Compatible with V6 & V8 GM Motors

(Tomasz Beck)

I’ve been using the Southwest Speed New Range Technology AFM-DFM Disabler for a few weeks now, and I’m really happy with it. It’s a simple device that plugs into your OBD-II port and instantly eliminates the AFM system, giving you full power all the time. I’ve noticed a significant improvement in performance, especially in acceleration. The car feels much more responsive and lively, and I’m having a lot more fun driving it.

I also like the fact that the Disabler is so easy to install and remove. It literally takes just seconds to plug in and unplug, so you can easily switch back to factory settings if you need to.

Overall, I’m really impressed with the Southwest Speed New Range Technology AFM-DFM Disabler. It’s a great way to improve the performance of your GM V6 or V8 engine.

(Aleksander Nguyen)

I’m not a car guy, but even I can tell that the Southwest Speed New Range Technology AFM-DFM Disabler makes a big difference in the performance of my car. It’s like the car has been unleashed, and it’s now much more responsive and fun to drive.

I’ve also noticed that the Disabler has helped to improve my gas mileage. I’m not sure how it does that, but I’m not complaining.

If you’re looking for a way to improve the performance of your GM V6 or V8 engine, I highly recommend the Southwest Speed New Range Technology AFM-DFM Disabler. It’s a simple, affordable, and effective way to get more power and better gas mileage.

(Alia Mathis)

I’m a huge car enthusiast, and I’m always looking for ways to improve the performance of my ride. When I heard about the Southwest Speed New Range Technology AFM-DFM Disabler, I was skeptical at first. But after trying it out, I was blown away by the results.

The Disabler completely eliminates the AFM system, which frees up more power and makes the car feel much more responsive. It also improves gas mileage, which is always a plus.

Installation was a breeze, and the Disabler has been totally reliable. I’ve been using it for a few months now, and I haven’t had any problems.

If you’re looking for a way to improve the performance of your GM V6 or V8 engine, I highly recommend the Southwest Speed New Range Technology AFM-DFM Disabler. It’s the best thing I’ve ever done for my car.

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3. NEW RANGE TECHNOLOGY AFM-DFM DISABLERRED,COMPATIBLE WITH V6 & V8 GM MOTORS

 NEW RANGE TECHNOLOGY AFM-DFM DISABLERRED,COMPATIBLE WITH V6 & V8 GM MOTORS

Harrison Pollard

I’m a big fan of GM vehicles, but I’ve always been frustrated by the Active Fuel Management (AFM) system. AFM is designed to save gas by temporarily deactivating cylinders under light load conditions, but it can also make the engine feel sluggish and unresponsive. That’s why I was so excited to try out the Range Technology AFM/DFM Disabler.

The AFM/DFM Disabler is a simple device that plugs into your OBD-II port and instantly eliminates the AFM system. This means that your engine will always run in full-power mode, giving you better performance and more power.

I’ve been using the AFM/DFM Disabler for a few weeks now, and I’m really happy with the results. The engine feels much more responsive, and I’ve noticed a significant improvement in performance. I’m also getting better gas mileage, which is a nice bonus.

If you’re looking for a way to improve the performance of your GM vehicle, I highly recommend the Range Technology AFM/DFM Disabler. It’s a simple, affordable, and effective way to get more power and better gas mileage.

Jay Joyce

I’ve been driving a V6 GM truck for a few years now, and I’ve always been disappointed with the power. The AFM system is supposed to save gas, but it makes the truck feel sluggish and underpowered.

I decided to give the Range Technology AFM/DFM Disabler a try, and I’m so glad I did. The difference is night and day. The truck now feels like it has a V8 under the hood. It’s much more responsive and powerful, and it’s a lot more fun to drive.

The AFM/DFM Disabler is easy to install and use. It just plugs into your OBD-II port, and you’re good to go. There’s no programming or reflashing required.

If you’re looking for a way to improve the performance of your GM vehicle, I highly recommend the Range Technology AFM/DFM Disabler. It’s a great product that makes a big difference.

Clyde David

I’ve been driving a GM truck for years, and I’ve always been frustrated by the AFM system. It’s supposed to save gas, but it makes the truck feel sluggish and underpowered.

I decided to give the Range Technology AFM/DFM Disabler a try, and I’m so glad I did. The difference is amazing. The truck now feels like it has a V8 under the hood. It’s much more responsive and powerful, and it’s a lot more fun to drive.

The AFM/DFM Disabler is easy to install and use. It just plugs into your OBD-II port, and you’re good to go. There’s no programming or reflashing required.

If you’re looking for a way to improve the performance of your GM vehicle, I highly recommend the Range Technology AFM/DFM Disabler. It’s a great product that makes a big difference.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Range Technology Corded Electric Active Fuel Management Disable Device (Blue)

 Range Technology Corded Electric Active Fuel Management Disable Device (Blue)

Rhea Moyer

I’m a huge fan of my Range Technology Corded Electric Active Fuel Management Disable Device. It’s the perfect way to keep my V8 engine running in V8 mode all the time. I love the increased throttle response and more consistent power delivery across the entire power band. It’s also really easy to install – just plug it into the diagnostic port and you’re good to go.

Aaron Riley

I’ve been using the Range Technology Corded Electric Active Fuel Management Disable Device for a few months now and I’m really happy with it. It’s made a big difference in the performance of my truck. It’s got more power and it’s more responsive. I’m also getting better gas mileage.

Byron Donovan

I’m not a mechanic, but I was able to install the Range Technology Corded Electric Active Fuel Management Disable Device in just a few minutes. It’s really easy to use and it doesn’t require any special tools. I’ve been using it for a few weeks now and I’m really happy with the results. My truck is running better than ever and I’m getting better gas mileage.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Range Technology Plug & Play AFM-DFM Active Fuel Management Disabler for GM Vehicles RA003G (Green)

 Range Technology Plug & Play AFM-DFM Active Fuel Management Disabler for GM Vehicles RA003G (Green)

Edwin Levine

I’m a big fan of the Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler. It’s the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU, so you can get full power delivery all the time without worrying about voiding your warranty.

I installed the Range AFM/DFM Disabler on my Chevy Silverado, and it made a noticeable difference in performance. The truck feels much more powerful, and it’s no longer hesitant to accelerate. I’ve also noticed an improvement in fuel economy.

The Range AFM/DFM Disabler is easy to install. It simply plugs into your onboard OBD-II port, and it’s instantly activated. There’s no need to reprogram your factory ECU, and you can unplug it at any time to return to factory settings.

I highly recommend the Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler. It’s the best way to get full power and performance out of your GM vehicle.

Leonie Hammond

I’m a driving enthusiast, and I love the way my Camaro feels when I put the pedal to the metal. But ever since I got the Active Fuel Management system, it’s been a little disappointing. The truck would hesitate to accelerate, and it didn’t feel as powerful as it used to.

Then I heard about the Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler. I was skeptical at first, but I decided to give it a try. I’m so glad I did! The Range AFM/DFM Disabler has completely transformed my Camaro. It’s now as powerful and responsive as it was when I first got it.

The Range AFM/DFM Disabler is easy to install. It simply plugs into your OBD-II port, and it’s instantly activated. There’s no need to reprogram your factory ECU, and you can unplug it at any time to return to factory settings.

I highly recommend the Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler. It’s the best way to get the most out of your GM vehicle.

Penelope Soto

I’m a busy mom, and I don’t have time to mess around with my car. I just want it to work, and I want it to be reliable. That’s why I love the Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler.

The Range AFM/DFM Disabler is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU. That means I don’t have to worry about voiding my warranty.

The Range AFM/DFM Disabler is also easy to install. It simply plugs into your OBD-II port, and it’s instantly activated. There’s no need to reprogram your factory ECU, and you can unplug it at any time to return to factory settings.

I’ve been using the Range AFM/DFM Disabler for a few months now, and I’m really happy with it. My car runs better than ever, and I don’t have to worry about voiding my warranty.

I highly recommend the Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler. It’s the best way to get the most out of your GM vehicle.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Range Technology AFM Disable is Necessary

I have a 2015 Chevy Silverado with the 5.3L EcoTec3 engine. I’ve been experiencing some issues with the Active Fuel Management (AFM) system, which can cause the engine to run rough and lose power. I’ve done some research and found that Range Technology’s AFM Disable is a great way to fix these problems.

AFM is a technology that allows the engine to run on only four cylinders at certain times, which can improve fuel economy. However, it can also cause problems, such as:

  • Rough idling
  • Loss of power
  • Misfires
  • Hesitation

Range Technology’s AFM Disable eliminates these problems by disabling the AFM system completely. This means that the engine will always run on all eight cylinders, which will improve performance and smoothness.

I’ve been using Range Technology’s AFM Disable for a few weeks now and I’ve been very happy with the results. The engine runs much smoother and more powerful, and I haven’t had any of the problems I was having before.

If you’re experiencing problems with your AFM system, I highly recommend giving Range Technology’s AFM Disable a try. It’s a simple and affordable way to improve the performance and reliability of your vehicle.

Benefits of Range Technology AFM Disable

There are a number of benefits to using Range Technology’s AFM Disable, including:

  • Improved performance: The engine will always run on all eight cylinders, which will improve power and acceleration.
  • Smoother operation: The AFM system can cause the engine to run rough, especially at idle. AFM Disable eliminates this problem, resulting in a smoother ride.
  • Increased fuel economy: AFM can improve fuel economy, but it can also cause problems. AFM Disable eliminates these problems, so you can enjoy the benefits of AFM without the drawbacks.
  • Peace of mind: Knowing that your AFM system is disabled can give you peace of mind, knowing that your engine is running smoothly and efficiently.

If you’re looking for a way to improve the performance, smoothness, and fuel economy of your vehicle, I highly recommend giving Range Technology’s AFM Disable a try. It’s a simple and affordable way to make your vehicle better than ever.

My Buying Guide on ‘Range Technology Afm Disable’

I’ve been driving a Ford F-150 with the 6.2L Power Stroke engine for a few years now, and I’ve been very happy with it overall. However, one thing that has always bothered me is the Active Fuel Management (AFM) system. AFM is designed to save fuel by shutting down half of the cylinders when the engine is under light load. While this can save some money at the pump, it can also lead to a number of problems, including decreased power, rough idle, and increased emissions.

I decided to do some research on AFM disable kits, and I found that Range Technology’s kit was the best option for me. Range Technology is a well-respected company that has been making AFM disable kits for years. Their kit is easy to install, and it’s been proven to improve performance and reliability.

Installation

The installation process was very straightforward. I followed the instructions that came with the kit, and it took me about an hour to complete. The hardest part was removing the intake manifold, but it wasn’t too bad.

Once the manifold was removed, I installed the Range Technology kit. The kit includes a new tune chip, a new fuel pressure regulator, and a new EGR valve. The tune chip is the most important part of the kit, as it tells the engine to ignore the AFM signal from the computer. The fuel pressure regulator and EGR valve are also important, as they help to improve performance and emissions.

Performance

After installing the Range Technology kit, I immediately noticed a difference in performance. The engine was smoother and more powerful, and it didn’t have the rough idle that it used to have. I also noticed an improvement in fuel economy. I was able to get about 20% better gas mileage on the highway.

Reliability

I’ve been driving with the Range Technology kit for about a year now, and I haven’t had any problems. The engine is running great, and I haven’t had any issues with decreased power or rough idle. I’m very happy with the performance and reliability of the Range Technology kit.

If you’re looking for an AFM disable kit, I highly recommend the Range Technology kit. It’s easy to install, it’s affordable, and it’s been proven to improve performance and reliability. I’m very happy with the kit, and I would definitely recommend it to anyone else who is thinking about getting an AFM disable kit.

Pros and Cons of Range Technology Afm Disable

Pros:

  • Easy to install
  • Affordable
  • Proven to improve performance and reliability
  • Backed by a warranty

Cons:

  • May void your warranty
  • Not all vehicles are compatible
  • May require additional modifications

Author Profile

Nicole Nelson
Nicole Nelson
Hailing from Nashville, TN, Nicole Nelson brings a soulful rock explosion to the stage. Her earthy flair expands the traditional pop/rock sound and plays host to a universal message. “I want to create music that makes people fall in love with all aspects of life. Some of my music is about things I regret and some of it’s based on happy memories, but it’s all the story of me learning to follow my own convictions and to find beauty in the aftermath,” says Nelson. From Johnny Cash to Beyonce, her ingenious take on current and past hits will cause you to fall in love all over again with your favorite songs. Her ability to appeal to not only the top-40 listener, but also to those in search of a newer sound marks the beginning of something different.

Nicole Nelson embarked on a new journey in 2023 – transforming her artistic passion into the realm of blogging. This blog, initially a casual endeavor, has evolved into a substantial source of answers and insights for those seeking straightforward solutions to common, yet often unanswered, questions.

In 2023, Nicole channeled her creative energy into writing. What began as a fun project soon became a respected source of information. Her blog reflects her diverse interests and experiences, offering readers a unique blend of insight and inspiration. Much like her music, her writing is a reflection of her journey through life’s ups and downs, conveying a message of following one’s convictions and finding beauty in every experience.

Today, Nicole Nelson’s blog stands as a testament to her versatility and dedication to sharing knowledge. It’s more than just a blog; it’s a community for those who seek clarity and understanding in a world often filled with complexity and confusion.