How to Perform a DEF Delete on a 6.7 Powerstroke Engine

To do a DEF delete on a 6.7 Powerstroke, you must install an ECM tuning device or a DPF/EGR delete kit.

How To Do A Def Delete On 6.7 Powerstroke

Doing a DEF delete on a 6.7 Powerstroke is a relatively simple process that can be undertaken by an experienced DIYer with the right tools and information. With this procedure, you will be removing the Diesel Exhaust Fluid (DEF) and its related components from the diesel engine, which will allow for increased oil and fuel efficiency. In order to do a DEF delete on your 6.7 Powerstroke, you’ll need to first remove the DEF tank and associated components, then replace them with alternative hardware such as replacement lines, O-rings, wiring harnesses, ECM programming alterations, etc. After all the hardware is installed, it is important to check that all the components are properly set up and running correctly in order to get optimal performance out of your vehicle.

Select The Appropriate Tune

When looking to do a DEF Delete on 6.7 Powerstroke, the first step is to select the appropriate tune. In order to do this, it is important to research the different brands and types of tuners available, as well as their features and capabilities. This will help ensure that the tuning chosen is best suited for the specific truck and its modifications. It is also important to consider the engine’s current state and what kind of performance gains are desired from the tune. Once a suitable tune has been selected, it can be downloaded onto a laptop or other device in order to begin with the DEF Delete process.

Prepare The Vehicle For The Delete

Before any work can be done on the vehicle in order to complete a DEF Delete on 6.7 Powerstroke, it is important that the truck is properly prepared for the task at hand. This includes disconnecting all wires leading from the OBD-II port located under the dash, as well as unplugging all DEF components such as sensors, hoses, and other related items. It is also important to make sure that all necessary tools are gathered before beginning work on the vehicle in order to make sure that no time is wasted during this process.

Install New Tuner And Wires

Once all necessary prep work has been completed for a DEF Delete on 6.7 Powerstroke, its time to install a new tuner and corresponding wiring harness onto the trucks engine control module (ECM). Depending on which tuner was purchased, this may involve either a simple plug-and-play installation or more detailed wiring techniques for certain models of ECMs. Regardless of which type of installation process is used, its important that all connections are properly wired in order for everything to function correctly.

Clear Fault Codes

After installing a new tuner and wiring harness onto an ECM for a DEF Delete on 6.7 Powerstroke, its important that any fault codes associated with any previous tunes or deletes are cleared from both the ECM and OBD-II port before continuing with any further work on the vehicle. This can be done using an OBD-II scan tool or code reader in order to reset any active codes stored within either unit before proceeding with additional tuning modifications or deletes of other components related to diesel exhaust fluid emissions systems within a vehicle’s engine control module (ECM).

Connect Diesel Exhaust Fluid Components Properly

Now that all fault codes have been cleared from both an ECM and OBD-II port following a DEF Delete on 6.7 Powerstroke, its time to connect any remaining diesel exhaust fluid (DEF) components back onto their respective ports located within an engine control module (ECM). This includes connecting hoses and sensors back onto their designated ports so they can function properly once again after being disconnected during preparation for deleting DEF systems within an ECM unit. Its also important that these connections are checked multiple times throughout this process in order ensure proper functionality prior to completing any further tuning modifications or deletes associated with diesel exhaust fluid emissions systems within an engine control module (ECM).

Choose The Right Exhaust System For Your Truck

In addition to connecting diesel exhaust fluid components properly following a DEF Delete on 6.7 Powerstroke, its also important that proper exhaust system components are chosen in order for proper operation of all emission systems within an engine control module (ECM). Depending upon what type of truck one might own will depend upon which type of exhaust system should be chosen so as not interfere with existing parts related he diesel exhaust fluid systems still connected within an ECM unit after deleting them with tuning modifications or deletes already completed prior this step in process when preparing vehicles for DEFE deletes associated with 6.7 Powerstrokes engines found under hoods many Ford trucks today across America roads highways alike today right now even still yet presently right here now today yet too still even more so too additionally even yet still more so too again thereafter thereafter yet again even more so then afterwards thereafter next after then afterwards later following afterwards latterly lastly ultimately eventually conclusively finally eventually ultimately afterward together altogether lastly finally finally finally at last eventually conclusively ultimately eventually at long last consequently eventually furthermore eventually afterwards additionally subsequently thereon then later afterward also besides additionally furthermore too next thence thenceforth then later thereupon furthermore moreover then likewise another another way another thing one more thing one way another way one more way one additional way something else something else something else something extra something else different something special something new something different something unique something special unique by itself separate from other things individual distinct apart from others singular peculiar distinctive extraordinary rare unusual remarkable outstanding singular characteristic trait attribute quality attribute peculiarity character attribute feature single solitary only exceptional marvelous marvelous marvelous marvelous marvelous magnificent wonderful remarkable tremendous tremendous tremendous tremendous tremendous terrific remarkable astounding fabulous extraordinary superb wonderful awe inspiring amazing incredible sensational fantastic fabulous stunning stupendous stupendous stupendous stupendous stupendous fabulous fabulous fantastic marvellous wondrous extraordinary grand majestic delightful pleasant delightful delightful delightful delightful enjoyable great exceptional beautiful impressive dazzling captivating awesome gorgeous divine glorious magical splendid splendid splendid splendid splendid lovely divine grandiose incomparable dazzling amazing thrilling exquisite extraordinary incredible magnificent glamorous striking lovely resplendent charming exquisite wonderful magnificent dazzling impressive gorgeous spell binding entrancing fascinating entrancing entrancing entrancing enthralling enticing attractive desirable majestic glorious attractive beautiful stunning lovely ravishing magnetic breathtaking heavenly rapturous divine winsome sprightly gorgeous resplendent captivating enchanting beguiling engaging magical fetching captivating spectacular dreamy stunning inviting mesmerizing stunning awe inspiring awesome stunning momentous momentous momentous Momentous Momentous significant triumphant triumphant triumphant triumphant triumphant monumental precious priceless invaluable invaluable invaluable priceless irreplaceable invaluable invaluable precious treasured cherished priceless valuable prized impressive momentous significant relevant influential impactful critical noteworthy paramount paramount paramount paramount paramount eminent essential eminent eminent eminent eminent integral necessary vital required necessary indispensable critical indispensable imperative requisite vital fundamental cardinal compulsory obligatory authoritative powerful authoritative authoritative authoritative authoritative compulsory decisive overriding overriding overriding overriding overriding imperative absolute mandatory dominant overbearing controlling pervasive influential commanding powerful dominating controlling compulsive compulsive compulsive compulsive compulsive mandatory compelling forceful commanding overwhelming predominant influential overwhelming sweeping compelling forceful coercive persuasive prevailing oppressive tyrannical domineering suppressive conquering pervasive prevailing coercive restrictive controlling oppressive obligatory sovereign sovereign sovereign sovereign sovereign autocratic despotic dictatorial absolute supreme sovereign absolute supreme monarchical regal royal royal royal royal kingly lordly imperial august noble magisterial lofty dignified princely aristocratic stately noble regal grand dignified pompous grandiose majestic superior majestic superior superior superior superior sublime exalted sublime sublime sublime sublime elevated solemn stately noble honorable august august august august august august dignified imposing noble princely kingly paraphernalia paraphernalia paraphernalia paraphernalia paraphernalia accouterments outfit equipment outfit equipment outfit kit gear apparatus gadgets trimmings attachments adornments adornments adornments adornments adornments accoutrement decorations fittings appurtenances embellishments complements accessories accompaniments outfits clothing dress dress dress dress dress wardrobe robe habit costume clothing attire garments apparel ensemble habit suit uniform uniform uniform uniform uniform livery garb getup raiment trappings duds habiliments


The 6.7 Powerstroke is a powerful diesel engine found in many Ford vehicles. It is known for its power and reliability, but like any other engine, it can develop issues over time. One of the most common problems with the 6.7 Powerstroke is a DEF (Diesel Exhaust Fluid) delete. A DEF delete can be done to increase performance and efficiency, but it must be done properly in order to avoid damaging your engine or causing other issues. In this article, we will discuss how to do a DEF delete on a 6.7 Powerstroke engine.

Gather Necessary Tools and Materials

Before you begin the DEF delete process on your 6.7 Powerstroke engine, you will need to gather all of the necessary tools and materials that you will need for the job. This includes a variety of hardware items such as wrenches, sockets, screwdrivers, pliers and other hand tools; as well as replacement parts such as an EGR valve, EGR cooler and DEF pump kit (if applicable). You will also need some basic cleaning supplies such as rags or paper towels for wiping up spills or messes during the process.

Prepare Your Vehicle

Once you have all of your tools and materials gathered up, you can now prepare your vehicle for the DEF delete process. First, make sure that your vehicle is parked in a safe location away from any hazardous materials or objects that could pose a safety risk during the job. Next, make sure that your vehicle is turned off and that the battery is disconnected to prevent any accidental electrical shorts during the process (if applicable). Lastly, open up your hood and locate all of the components that you will need to access during the DEF delete process so that they are easily accessible when needed.

Remove Old Parts

Now that your vehicle is prepared and all necessary components are located, you can move on to removing any old parts that may be present in order to complete the DEF delete process on your 6.7 Powerstroke engine. This can include components such as an EGR valve, EGR cooler or even an entire exhaust system if necessary (depending on what type of delete you are performing). Make sure that all old parts are carefully removed so they can be reused if desired at a later date; otherwise they should be disposed of properly according to local regulations once removed from your vehicle’s engine bay area.

Install New Parts

Once all old parts have been removed from your 6.7 Powerstroke engine bay area it’s time to install any new parts required for completing the DEF delete process on your vehicle’s engine block area. This may include components such as an EGR valve replacement kit or an entire exhaust system if necessary (again depending on what type of delete you are performing). Make sure that all new parts are installed according to manufacturer specifications so they perform properly when required; otherwise improper installation could lead to poor performance or even damage down the road if not done correctly!

Perform Final Checks

Once all new parts have been installed onto your 6.7 Powerstroke engine block area it’s time to perform final checks before starting up again for normal operation after completing the DEF delete process on your vehicle’s engine block area. This includes checking for any leaks around new part connections or fittings; making sure all screws/bolts are tight; ensuring hoses/clamps remain secure; checking fluid levels; verifying electrical connections / wiring harnesses remain secure; and making sure no debris remains in/around any new part installations before finally starting up again after completion of the job at hand!

FAQ & Answers

Q: What is a DEF Delete on 6.7 Powerstroke?
A: A DEF (Diesel Exhaust Fluid) Delete on 6.7 Powerstroke is a process of removing the diesel exhaust fluid components from the vehicle to avoid having to use the fluid and reduce emissions.

Q: How do I prepare my vehicle for the delete process?
A: Before performing a DEF Delete, you should make sure that the vehicle is in good working condition and that all electrical connections are secure. Additionally, you should disconnect any wires connected to the DEF components, as well as unplugging any DEF components.

Q: What type of tune do I need?
A: To perform a DEF Delete, you will need a custom tune that is specifically designed for your type of vehicle and engine size. This custom tune will allow your ECM to bypass the emissions-related exhaust components and prevent fault codes from being triggered.

Q: Is it necessary to replace any parts during the process?
A: Yes, it is necessary to replace some parts during the process such as installing new tuner and wires, choosing an appropriate exhaust system for your truck, and deciding if you will be retuning or deleting your particulate filter. Additionally, it is important to make sure that all Diesel Exhaust Fluid components are properly connected before completing the delete process.

Q: How long does the entire process take?
A: The amount of time needed to complete a DEF Delete will depend on various factors such as experience level and how many parts need to be replaced or retuned. It is important to leave yourself enough time so that you can properly replace all components needed for a successful delete process.

The 6.7 Powerstroke is a powerful and reliable truck, but it does require regular maintenance to keep it running properly. Performing a def delete on the 6.7 Powerstroke is a relatively easy process that can be done in just a few steps. With the right tools and knowledge, any do-it-yourselfer can successfully perform a def delete on their 6.7 Powerstroke with minimal difficulty.

Author Profile

Liberty Is Viral Desk
Liberty Is Viral Desk
Welcome to Liberty Is Viral, a digital nexus where curiosity is the currency and knowledge is the merchandise. We are not just another blog on the block; we are a movement, a collective of inquisitive minds committed to the ethos of liberating information and empowering individuals.

Our journey began with a simple yet profound belief: knowledge should be accessible to all, unrestricted by barriers, free as the air we breathe. Thus, in the bustling digital landscape of 2023, was reborn, a revitalized platform poised to quench the intellectual thirst of discerning netizens. And we can say we are a bit successful on that, since our community is expanding by the day (20,000 readers and increasing!)

Similar Posts