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Had that repaired, then in about another thousand miles I had a failure on the other side of the engine. But, if you drive at AFM V4 mode, therell be an additional two mpg in your fuel mileage. Copyright 2023 Auto Care Aids | All Rights Reserved. If you do mostly highway driving and then have a period where most of your driving is in town, then you will see mileage drop (sometimes fairly dramatically). Driven by curiosity, he began exploring various truck models, manufacturers, and aftermarket modifications, which soon led to writing articles to share his expertise with fellow truck enthusiasts. Just keep in mind that disabling Adaptive Fast Charging can shorten your overall battery life in the long run. Pulsar LT - Range Technology The Range AFM/DFM Disabler allows your V6 or V8 GM vehicle to run in full cylinder mode at all times, preventing the Active and Dynamic Fuel Management systems from dropping cylinders. Furthermore, it can deactivate the cylinders to protect the gas loss. The emission of toxic vapors increases due to their failure. You'll see LED #4 (far left LED when plugged into the OBD2 port) BLINK the major Version number. Required fields are marked *. I could be wrong of course, but I think the pressure relief valve should have no issues handling the changes for the life of the engine. Delete the range active fuel management disabler immediately to protect the engine from failure. It significantly increases vehicle response and power. However, switching off the active fuel management system for a long time can cause stress on the engine and could lead to battery drainage. Now I can drive around at 45 MPH and if I need to gas it, the truck will easily go into another lower gear and move. Log in. Its also equipped with an RPM limiter and a top speed limiter. While it may not save you money at the pump, it could save you from costly repairs down the road. Range AFM Disabler Problems (Explained) - trucksauthority.com More often than not, AFM modules will stop a Vortec engine from burning up oil in between changes. Thanks for reading! Most are compatible with Flex Fuel engines, present-day GM trucks, as well as the ones that date back to 2005. Getting the AFM disabler is the best way to avoid issues. Transmission shifts smoother since it's not swapping from v4 to v8. Hill Start Assist Not Available in Ford F150 [Causes and Fixes]. Problems such as transmission issues and others can be solved by proper maintenance and checking the disabler to see if its properly working or not. A great AFM module is undoubtedly the one that improves mileage, eliminates cylinder drop, and protects engine health in the long term. Make sure that its compact and durable so that you can install it with ease. Does the Car Need to be Running when Adding Coolant? Most importantly, it works with all popular Fuel Management mechanisms on the market, including AFM, DoD, and MDS. That was until I found this little gem. Removing the Range AFM Disabler can significantly improve engine performance because the external stress (exerted by the disabler) is no longer active. Leaving the AFM delete device on while your truck is idle can accelerate the deterioration of your engine. So, it certainly improves your miles per gallon and may decrease fuel consumption as well. How Do I Know If I Have Active Fuel Management? With the Range AFM disabler, just plug it in and let your engine be free of the non-sense. It can engage the chambers of an engine to reduce gas consumption. Optimize its performance to stabilize fuel consumption. If youre using an older version of Android, the Afm Disabler will not work. Solution:Disconnect the Range AFM Disabler and troubleshoot the car for DTCs. However, it will disable the eAssist Start/Stop. Not much anymore. One issue you can often encounter with lifter failure. Like Range Technology AFM disablers, this one by DiabloSport is a breeze to use. If you have a 2017 Ram 1500, you may have noticed that the cruise control is not working. The Range Technology AFM Disabler is designed to disable the AFM system so that your engine can run at full power all the time. Shame on GM for putting an 8 speed transmission into a 5.3 Chevy Silverado with AFM! Range AFM disabler loses sync, and the truck loses power during driving. Due to its failure, all cylinders become active and use additional power. Sometimes, this switching may be unresponsive, causing hitches while driving. However, if your car still runs smoothly when you insert the disabler, then you have no need for it. With the help of this device, you can program the Fuel Management system for optimal performance. Also, make sure the AFM tuner distributes power evenly throughout the power band of the engine. That is, the lifter will start degrading and may end up breaking down from prolonged usage. Make sure you properly install it and, if required, seek help for it. The easiest way to avoid frequent problems is to get the best AFM disabler. . Change the spark plugs and install tuning equipment. The disabler is also suitable for high-load applications such as towing and off-road driving. Similar to the GM AFM disabler, it has extensive coverage when it comes to the speedometer, power level, and shift adjustments. So if fuel economy is important to you, then keeping AFM active may be the way to go. Replace it with new options with the help of an expert dealer. Combined with improper maintenance, this can spiral into a huge issue and cause irreparable engine damage to your truck, and can severely cost you. In, Read More How Much Does A Truck Frame Weigh Full GuidelineContinue, If you are in the market for a new set of shocks and are considering Rough Country, this, Read More Rough Country Shocks ReviewContinue, If you have a GMC Sierra or Chevy Silverado with a locking rear differential, you may have experienced, Read More G80 Locking Differential ProblemsContinue, The 2021 Ram 1500 is a full-size pickup truck thats available in four trim levels: Tradesman, Big Horn,, Read More 2021 Ram 1500 Backup Camera Not WorkingContinue. However, despite the advantages that an AFM disabler can have, it can pose some difficulties. The Range AFM disabler comprises a built-in lifter that collapses due to excessive or false use. Now compatible with 1996-2016 gasoline and diesel engine trucks by General motors, this AFM tuner supports various power levels for daily driving and heavy towing applications. This can lead to increased wear on the cylinder walls and valves, and eventually cause premature failure of the engine components. Yes! Dont keep the AFM disabled for longer than you should. Excessive use and pressure on the lifter crack it. It is doing what it promises, Ive only had it for 5days, but it what I needed for my 07 SS Impala. So, this is why people started to look for a way to disable the AFM system when necessary. Will disabling AFM/DFM make my fuel economy worse? I was intrigued by the claims made by the manufacturer and thought I would give it a try. For instance, winter additives contain more volatiles and oxidizers to help in cold winters, thereby hurting the mileage. You can remove the Range AFM disabler at any time, and the truck will go back to its previous mode. The Range AFM disabler is a small electric device that mounts inside the truck dashboard and regulates the engine cylinders. Range uses factory messages sent over the CAN Bus to "tell" the ECU to stay in V8 mode. Turn the AFM device off when you dont need the performance boost. Find Out Now! However, this switching can be unresponsive at times which can cause trouble with your driving. technology that customizes your vehicle to suit your driving needs. Furthermore, they are compatible disablers that regulate the performance of V6 and V8 engines. Zayn's dedication to excellence and his in-depth knowledge make TruckGuider.com a trusted resource for all things truck-related. Make sure to inspect the lifters before leaving for any ride on your vehicle. The disabler is also suitable for high-load applications such as towing and off-road driving. He has one on his Chevy Silverado and Taho. Best Overall: Range Technology AFM Disabler RA003 This AFM module is a reliable choice for deactivating the Active Fuel Management on Flex Fuel, Vortec, and LS small-block engines.