Turn off afm silverado Dont know much about those others you listed but am looking at low cost since this is just for periodic personal use. Mar 24, 2019 · What is the cheapest way to disable the active fuel management? I dont really want a tune since they run over $400 USD. 8, and 6. Turnaround time is typically 24hrs, sometimes even the same day we receive your ECM (2019+ may have additional lead time, see additional info below). and do away with all the junk on the Jun 29, 2022 · The AFM engines turn the same 4 cylinders on and off, the 2nd type will turn any, or most, of the cylinders off. With AFM I get between 17. I bought a range afm plug in delete and it keeps the truck out of v4 as it says it will. here is the file 45325 I hope that i might get some suggestion There are products out there that you can buy to disable AFM/DFM, but we will see if drving in L9 will turn off AFM/DMF and bypass the this function. Does anyone know if this tool would turn of AFM I. 3 with AFM. Consumption is about 1qt every 7500mi. So let me go through the steps. Talked with the tech who Jan 27, 2011 · Is there a way to turn off the AFM system with a programer or tune? I just put a flowmaster on my truck and can hear and feel the switching between modes and it starting to get on my nerves! The truck also feels slugish switching out of V4 mode. Drive about 10K a year on it. If that’s not possible, you can use additional tools like an AFM disabler to turn off the setting. May 27, 2022 · I recently purchased a 2014 5. Easily shut off the AFM/DOD system with this trick. 3 MPG Monday through Friday back and forth to work. I think the Diablo can shut it off too. Looking to trade truck in so bad to remove it to take to dealer for some service work first. Learn how to disable Active Fuel Management (AFM) on your Chevy Silverado or GMC Sierra. , that I thought I would give it a try. Which Silverado engines have AFM? The Silverado LT and RST come standard with the 2. AFM/DFM Disabler-Red Eliminate AFM/DFM on your GM vehicle with the Range Technology AFM/DFM Disabler. Would May 17, 2020 · Automotive electronics company Range Technology has released its new Active Fuel Management/Dynamic Fuel Management disabler for General Motors vehicles. Aug 12, 2023 · Between me and my wife we’ve owned several AFM equipped GM FS trucks and SUVs over tne last 10+ years (some been driven to well over 200K miles, even) and heve never had any AFM related issues. I see people talking about buying the AFM switches all the time , but is it okay if I just disable mine everytime since there is already a switch? I had a 2011 Silverado that had a lifter go out twice, put a range technology afm disabler in it and put it in my 2014 Denali, never had another issue. No more dynamic fuel cr@p, or stop start feature. Discover how an AFM disabler can improve performance, fuel efficiency, and overall engine health. 4x4 5. You can also get a custom tune from Diablew for a couple hundy Why and How to Disable GM's Active Fuel Management (AFM)! Turn V4 mode off for free. 3 sierra with AFM. I've just considered it Dec 21, 2020 · Deactivating AFM, DFM, MDS, and Start/Stop on your RAM, GM, or Ford truck can save significant amounts of engine-damaging wear and tear. We show you how to do it simply with Range Technology products May 29, 2023 · Yes, a scan tool can disable AFM (active fuel management) on some vehicles. Makes a big difference in drivability. The Range unit is different for these different engines, get the right one if you go that way. Learn how to disable/enable Active Fuel Management (AFM), also known as Displacement on Demand (DOD) or Cylinder Deactivation, on your GM vehicle with VCM Editor! 💻 AFM/DOD is sometimes Mar 22, 2013 · Hi guys, I am looking to get a tuner like superchips or bullydog so that I can turn off my AFM 4cyl/8cyl mode. Most of the cam swaps we do,we convert it to a traditional setup (Non AFM) and just shut off the AFM in the tune. The Range AFM/DFM Disabler plugs directly into your vehicle’s OBD-II port, instantly turning off cylinder deactivation to deliver smooth, consistent performance with no permanent modifications or reprogramming required. It is a simple process that requires some knowledge of cars and how they work. Whether you’re removing DOD or MDS for peace of mind or prepping for a long-lasting rebuild, the Texas Speed x DiabloSport DOD/MDS Delete Programmer offers a safe, easy, and effective way to permanently turn off AFM/DOD or MDS without complicated custom tuning. I really liked that my Silverado did not have the AFM as they didn't have enough chips to activate it Nov 7, 2023 · AFM/DFM Disabler: In Full-Time V8 Mode, Carbyte disables the AFM/DFM system and keeps the engine firing on all cylinders, all the time. Option 1 Notes When using a disabler, the AFM solenoids MUST remain plugged into the harness. You can completely turn them off. Click to expand I have a pulsar LT I just took out of my truck 2020 5. When deleting the VVT system as well, it will not set cam/crank correlation codes either. You would either need an expensive diagnostic scan tool or you could use a performance programmer. It was a good Mod. With the right code and program, the PCM (powertrain control module) can be reprogrammed to deactivate the AFM system. 3 Silverado. You not only shut off afm, but you get the rest of the benefits of the tune. In this video I use HPtuners to deactivate the GM Displacement On Demand also known as Active Fuel Management. Feb 2, 2018 · Learn the implications of disabling active fuel management (AFM) on your GM vehicle. These devices allow you to modify your vehicle’s engine control unit (ECU) settings, including the AFM sierra @Bobsgaragetech Created from @Bobsgaragetech Turn AFM/Cylinder deactivation off for free with this simple trick! #afm #silverado #sierra #yukon I have a 2015 Silverado with AFM and 112k miles that I commute with and switching between V4 and V8 with AFM has never bugged me at all. , and do a tune to remove AFM from the ECM. How to Delete or Disable AFM on GM/Chevy Engines There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. 8K views 4 replies 5 participants last post by dgstarr Feb 3, 2022 Apr 11, 2024 · last question, has anyone used HP Tuners to turn off AFM? if yes do you have a POC? thank you for your time Fellas. The Truth About Disabling DFM/AFM - What You NEED to Know! In this video I explain the how to Disable or "turn off" the displacement on demand DOD / Active fuel management in HP tuners! Merch: https://build-tune-race Nov 7, 2023 · Has anyone else tried the Range AFM/DFM disabler and if so what have your experiences been. I just got my 2024 Sierra 1500 AT4 with the 6. Likely I'll just get it tuned out and be done with that part, but until then I don't know. Has anyone disabled AFM via the OBD port at high mileage and regretted it? Any issues? Already get 12. You have several options. Turning off the chevy truck cylinder deactivation feature, also known as Active Fuel Management (AFM) or Displacement on Demand, in your Chevy Silverado can have a big impact on fuel economy. There was never any issue with misfires being reported afterward. Once you disable V4 mode on Silverado, it will unleash the full power to be the beast you deserve. Just like DFM is a stupid feature. Using a Tuner or Programmer One of the most common and effective ways to disable AFM is by using a tuner or programmer. 3 engine. This is all I really want to do, don't really want to adjust any other parameters. Do i need to modify the engine or just change the tune. Aug 6, 2025 · AFM-specific lifters with standard LS7-style lifters Factory camshaft with a non-AFM camshaft Valve Lifter Oil Manifold (VLOM) with a block-off plate Oil system components that feed the AFM system Engine computer programming to disable AFM logic This comprehensive approach eliminates all failure points while potentially improving performance. does the pcm need to be sent in or anything? I have done the older models and this is the 1st newer one. That was all. 3L is that it is often related to DOD. newest thing i own is a 14 impala NBS. I realize This may vary somewhat widely but if temporarily disabling DOD is pretty straight forward I could access its impact in my particular case. The reason your truck feels doggy is the way GM sets up the engine management tune, keeping the HP and torque low on the lower RPM's with tuning and torque management and throttle opening rates with the Feb 15, 2015 · A custom tune can disable the AFM. But there is that occasion that I forget. I understand my options when towing to keep the AFM off. 7. 3. They are pretty effective in keeping the vehicle from going into V4 mode. Still, I take the precautions with each of them and turn off AFM with DiabLew tune, install a catch can and change and use quality oil at proper Apr 7, 2021 · Wasnt aware you couldnt turn off AFM with a tech2. BUT you might never have an issue with it. Feb 27, 2013 · Lots of replies. 0 (in the 1500s). - Jared '07 Silverado LT Z71 (sold) '02 Trailblazer (rust cancer, RIP). But to me it's a waste of money. I do a lot of city driving stop and go with a load in the bed and I am completely sick of dealing with the engine bogging in 4cyl mode then clunking to 8 cyl. com). I don't want any thing to show up if I have to go to the May 18, 2020 · If you have a V6 or V8 Silverado or Sierra with AFM or DFM, you can simply defeat those fuel-saving technology by plugging in a $189 device into the OBD-II port Aug 12, 2012 · Originally Posted By: donnyj08 I've been considering a chip or tuner device to turn off the AFM feature on my Silverado 5. I just want to disable it in the tune so i am just wondering if anyone has done this May 17, 2021 · Want to Turn Off the AFM System? Follow Our Step-by-Step Guide on How to Disable Active Fuel Management for Everything You Need to Know… Mar 28, 2015 · Just bought a 2012 chevy silverado 1500 dont likehow the afm at all so whats the best tuner to turn it off thanks . It’s a simple and effective way to turn off the AFM system. May 13, 2021 · How To Turn Off AFM / DOD On 2015 Chevy Silverado With Superchips Flashpaq F5 Tuner - putting e97 tune and disabled the afm but noticed it still goes to 4cyl Dec 22, 2024 · As an owner of a 2021 Chevy Silverado Custom 1500 4x4 with a 2. I drive a 2023 Chevrolet Silverado 1500 RST (6. 3 dfm delete, auto stop/start turn off afm delete 5. My question is can I have my ECM tuned to delete the DOD without doing a delete of all of the AFM parts? Do I have to change the lifters/cam etc? Or will the ECM disable be sufficient? Are you already experiencing lifter problems from AFM? This has been plaguing GM since they introduced AFM, and can’t seem to get it right… I thought the 2023 models had a button to turn off AFM, no?? Aug 25, 2025 · Thinking about disabling your GM Active Fuel Management system? You’re not the only truck or SUV owner dealing with the headaches of cylinder deactivation technology. It is Hey Guys. 2 did not have afm in the gmt900 trucks. GM's Active Fuel Management (AFM) improves gas mileage by shutting down half of the cylinders under light-load conditions to reduce fuel consumption. Feb 18, 2025 · A little-known trick disables DFM, or Dynamic Fuel Management, in the Chevy Silverado 1500 pickup as well as the Tahoe and Suburban full-size SUVs. Getting a New Engine - Chevy Silverado 5. Feb 3, 2022 · 2022 silverado 5. Ready to head to work this morning and my FOB won't remote start the truck but no CEL on the dash. This is a different tune than what is done to turn-off AFM without removing the actual internal parts. The only way to actually turn this system off is with a computer scanner. 2, I added the Pulsar LT. This works with the Taho Feb 8, 2025 · A new device from Range Technology turns off Dynamic Fuel Management and auto start/stop in full-size trucks and SUVs, like the Chevy Silverado and GMC Sierra. This guide walks you through everything you need to know about AFM, why you might want to disable it, and how to do it properly I got a buddy that has a 18 model Silverado and wants the dod turned off is there anything beside the 4 credits needed to do this?. Here is how to do it easily. This meant better throttle response. 3 and 6. Dec 4, 2011 · This is something I'm going to have to check on since my new-to-me Silverado has a 5. Dec 13, 2022 · So, you should know how to disable V4 mode on Silverado. 3L engines when disabling AFM. Find out how it affects fuel economy and performance. May 19, 2019 · Everything I have read on the subject of oil consumption with the 5. I was just going to shut off AFM and TM, but I'm considering the performance canned Feb 23, 2019 · I’m looking to buy a scan tool. I specifically wanted to know if one of the tuners would turn it off in tow/haul and keep it on otherwise. And mess with older stuff most of the time if not all the time. A guy up the road got it and has seen increased fuel economy without the AFM using the Economy setting with this tuner. Plug-and-play design keeps your engine in full power mode for smoother performance, better throttle response, and improved reliability. Such a stupid feature. To truly "delete" AFM, you have to replace the cam, lifters, VLOM, etc. Change the oil every 5-7K mi. Get a Diablosport tuner. Feb 22, 2024 · Hi everyone. The more popular (common) is to purchase an AFM Disabler device from Range Technology ( https://www. 2 8 spd, no such luck. Jun 8, 2018 · on previous models i had, using the tow haul mode turned off the AFM. Jan 19, 2024 · The reason why the dealer can't turn it off is because GM does not have a program that allows it, and if you get caught doing it with a aftermarket tune they CAN void your power train warranty. After taking it for a ride, the Tahoe is still showing it switched from 8 to 4 cylinders. I found a Diablosport Predator U7194 that has been updated to software v. Nov 30, 2017 · AFM lifters have a history of failing and oil consumption can be a problem. 7L Turbo with Active Fuel Management Jul 31, 2024 · Shut the truck off and tried again, still can hear DFM (have an exhaust) and truck turns off at a stop. I’m looking to sell the pulsar. Apr 11, 2022 · I've learned a lot from reading through these threads regarding AFM/DOD. 3?? Mar 6, 2023 · 2020 chevrolet silverado AFM Delete hello has anyone deleted AFM/DFM on a 2020 Chevrolet silverado 5. Start/Stop Disabler: Eliminate the annoying Start/Stop feature, keeping your engine running 100% of the time. The 4. DOD / AFM Delete Gone WRONG Part 2. Mar 29, 2021 · My father ordered this today for the 2013 Silverado. Eliminates AFM/DFM Activation: Keeps all cylinders firing for maximum horsepower and torque. '13 SLE Ext cab. Been looking at autel MP808. If the computer does not "see" the solenoids, it will disable the fuel injectors for those cylinders. 3 w/ 118K mi. And show you exactly what we need to do to turn off the displacement. I bought it with 22K miles. We will see what happens 2011 Silverado 5. I bought a V8 for a reason. Our active fuel management as you call it. Experts Options include AFM/DFM delete kits, tuners for disabling AFM/DFM, and AFM/DFM disablers. 7L TurboMax, although the AFM doesn't work like it does in the V6 or V8, it still has potential to fail. It’s definitely wise to turn off the AFM system to improve longevity of the engine. 3l dfm Jump to Latest 8. 🔥 Disable DFM & AFM? Try This Simple Trick! 🔥If you’ve been frustrated with Dynamic Fuel Management (DFM) or Active Fuel Management (AFM) in GM small-block Jan 10, 2019 · Curious if anyone has disabled their AFM (Active Fuel Management) on their Chevy or GMC trucks. Just keep in mind Carbyte AFM/DFM Disabler: In Full-Time V8 Mode, Carbyte disables the AFM/DFM system and keeps the engine firing on all cylinders, all the time. Jul 22, 2024 · Learn how to delete or disable AFM and DFM on GM vehicles - plus which option is the best route for your V6 or V8 engine. He's worth every penny. Mar 23, 2024 · Yes, a bi-directional scan tool can delete AFM (Active Fuel Management) or DOD (Displacement on Demand) on GM vehicles. I paid for 8 cylinders and I expect them all to work. Also, you can adjust pedal sensitivity. Anyway, pushed the 87 Octane tune to my 2017 Tahoe, and also disabled AFM. Press the home button and scroll down to settings. I do know that those AFM lifters don't like high RPM. In that menu you'll see how to turn off the AFM. I put a Range box on it at around 50K miles, but now I am thinking about going all in and having a shop change the cam/lifters, etc. I was gonna ask $300. But then there is the debate about the warranty with it. bobsgaragethreads. For V-6 engines, AFM temporarily turns the car into an inline V-3 engine, while V-8 engines are briefly reduced to V-4 performance. How Does Active Fuel Management System Work? The concept behind AFM is that high-powered engines are very inefficient whenever high-demand power is not necessary. With AFM active and custom exhausts, it was common to notice drone. Nov 8, 2023 · Hi All, I am just in the research mode. 3) has 100K miles on it with no issues (so far). Jan 8, 2021 · 2) buy a tuner and use it to turn-off AFM (a custom Lew tune really helps these trucks but is not required to disable AFM) 3) drive in M5 (if 6sp auto) AFM will not activate. I've looked at the "Range" which gives you the option to turn it off when plugged in. By using the scan tool, you can disable AFM and prevent issues such as lifter failure and problems with gas emissions. My question is are there anymore steps to avoiding the AFM issues? I read that the oil pump should be replaced with a lower pressure pump to reduce blow by Nov 12, 2018 · Hey all, just purchased a Diablo i3 Platinum mainly for turning off AFM but maybe a good tune as well. I see these clones for 200 - 300 Aug 25, 2024 · When I had my 2020 Trail Boss with the 6. It will safely disable AFM and turn your ride into a high-performing speedster. You can turn-off AFM with a tune or Range device so it won't engage. Jun 15, 2021 · GM active fuel management is mainly reserved for larger GM vehicles with V-8 or V-6 engines. Should I install a plug in device to disable the AFM feature? Mar 5, 2018 · The Edge Evolution Programmer part # EP85350 which replaced the number you listed can turn off the active fuel management of your 2008 Chevy Silverado. It was on the 5. May 24, 2024 · How do you turn off the AFM on a Silverado? So we have the follow-up on display. Is re-enabling it just as easy as Jan 8, 2023 · Range Technology RA003G AFM/DFM Disabler-Green Our patented technology is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU. Wife's '14 Sierra SLT Z/71, (5. 3L. I am a purist. Our mechanic also suggested it. Then on my way into work, the module decided to work and truck drove SOOOO smooth and didn't turn off at stops. 3, 4. 3L DIY - How to Disable or Delete AFM/DFM! (Chevy or GM Vehicles) Scotty or others: 2017 Silverado 4x4 with 5. Check it out! Are you wondering how to disable AFM without a tune in your car? Simply note that you don't need to break a sweat to do this. If the engine remains in 8 cylinder mode, then it will only use the corresponding 8 cylinder mode portions of the overall calibration. Aug 11, 2024 · A true mechanical delete (new non-AFM cam, lifters, trays, valley cover, tune) is the only way to prevent potential failures. We named the device Carbyte, and In this video I show you how To disable Active Fuel Management aka Displacement on Demand in all 2007 and later GMC and Chevy trucks. com How to turn AFM/DOD (Active Fuel Management) off for free using this one trick! I explain in this video how to use the gear selector to force AFM off. Oct 28, 2024 · Learn everything about AFM disablers and the benefits of deactivating Active Fuel Management (AFM) in your vehicle. Feb 27, 2016 · Hi all. It also works as an OBD scanner and can pull enhanced GM DTCs. It will also improve the sound of the exhaust. No cylinders off taking union/government inspired smoke breaks while the others pack Oct 17, 2017 · Any tuner can turn off afm, it you want to take a gamble get a diablo tuner and it will really wake the throttle response up. Oct 27, 2023 · Thank you for having me here. Alright, help me settle this once and for all: what are the long term effects of disabling AFM/DFM? Jul 14, 2025 · The best AFM disabler unlocks the V8 mode on 8-cylinder GM trucks. 9r10 and is guaranteed to be unlocked from VIN for $200. Personally i would drive it until it fails, if it ever fails. When you go to read the vehicle, only read the Jul 5, 2022 · ^^^^ this. Nov 15, 2014 · Not sure about the Ecotec3, but there always has been a noticeable change with earlier 5. 3L, 23K miles. 2L Ecotec3 V8, 10-speed auto). Anyone here have their AFM turned off with either a tuner or the range device? I'm not having any issue with the truck. You can turn off AFM, adjust tire size, transmission shift pressure - and what you want - increase throttle response. A full guide on how to disable or delete displacement on demand. Supposed to be able to turn off the AFM and do some other stuff. Where in the menu do I go turn off the AFM? Active Fuel Management, AFM, Cylinder Deactivation or Displacement on Demand is a GM engine technology that disables an engine's cylinders to conserve fuel. If I want to save gas, I would get a diesel or a 2. I disabled AFM May 6, 2024 · You can turn it off, yes, but the parts that go bad are sill there in your engine. My only real concern with getting this truck is the AFM and oil consumption reports. My budget is 600-700. It's too expensive for what it is. 2l in it and I was just curious to see if their is anyway to get rid of Active Fuel Management, auto stop/start and adjust petal response without going in and changing the tune. A tuner is the way to go. Our company designed a device that disables the AFM/DFM and Start/Stop functionality. What is very unclear is if programming the AFM off has any hard proof of extending reliability/longevity of AFM engines. I do have to share my 2021 came with DFM disabled from the factory. If you would like to read up on this more, we have an article on our Chevy website: https://chevytrucks Bobs Garage Threads! - www. 3 6sp 3. How can I disable it for the most cost efficient way possible? Oct 19, 2022 · Over the past decade, I have personally turned off the AFM function within the calibration, on a large number of GM truck applications. Millions of no issue miles have been driven all over this country with maybe 1% of those engines having AFM issues. SO many folks are constantly talking about oil consumption, AFM makes for WORSE MPGs, etc. rangetechnology. my 2017 6. While AFM was designed to improve fuel efficiency, it often creates more problems than it solves. The range module is the simplest way to shut it off. As far as being outdated not to worried. This will also take care of the AFM solenoid codes that would otherwise pop up when deleting DOD/AFM. 2016 gmc 5. Oct 13, 2022 · Learn how to delete or disable AFM and DFM to prevent excess oil consumption, lifter failure, and save money on expensive repairs. He'll turn-off AFM and really improve the way the truck drives. If you really want to improve the truck, get a Lew tune. Any tips or suggestions Nov 16, 2012 · I want to get a tuner to shut off the AFM and end the oil consumption. Dec 30, 2024 · Methods for Disabling AFM on Your 2007 Silverado There are two main methods for disabling AFM on your 2007 Silverado: 1. With AFM disabled, good traditional, throaty sound. Dec 31, 2023 · I just turn the Auto Start/Stop off every time I start it Yep, that’s pretty much what I do. On the 2021 z71 in Sport mode the pedal is more responsive and the shift points are great. 42 G80 Z82 Z60. 8-18. 5 mpg so not worried about May 11, 2022 · When you use the DIABLOSPORT INTUNE I3 TUNER on your vehicle, Can you still use a plug in Range AFM/DFM Disabler and not effect the Diablo tune that is set? I see that the platinum version of the Diablo you can disable AFM/DFM. Thoughts on Sports Mode? I love the sport mode, it feels like my 2018 Silverado that had AFM Range disabler and the pedal commander, I used Sport plus 1. Aug 26, 2013 · I used my Hypertech to disable AFM on my truck as an experiment. Plug-and-Play: Stand-alone functionality allows Carbyte to work by simply plugging in the device. Jan 25, 2025 · Cody’s 2014 Chevrolet Silverado 1500 has suffered from collapsed lifters, an issue commonly linked to GM's Active Fuel Management (AFM) system, which deactivates four cylinders under light loads . Dec 12, 2011 · RE: AFM (DOD) shut off? by lcferra » 30 Dec 2011 14:56 I installed the Intune 91 Octane on my 2012 Camaro Automatic and did not see where to turn off the AFM. Just bought the new Bully Dog GT tuner for my 5. At 111,000 miles, my truck was in the shop for 3 months waiting for approvals and parts to replace the intake and exhaust camshaft, all of the lifters and the turbo. Some handheld tuners run around the same price. I purchased a 2021 Silverado during the chip shortage in the days of Covid chip shortages. I wanted to know how to disable the AFM system on a chevy tahoe 5. The easiest way is to do it from the dashboard settings. Or both can be done. Should I disable AFM? Have I been tempting fate? This truck has had very little issues since I bought it in 2014 w/ 7K on it. It ticks me off so much. Oct 4, 2018 · Afm started in 2007 with the gmt900 trucks. pnezwh todgj bqhi fevhz ggyv bfiyqc fjbjom iaazanl yyew rxplvz jskn znwuarh rvdqd yxatj kncoe