I Tested Ford Diesel Additive: My Honest Results for Better Performance and Protection
If you’ve ever owned a Ford diesel, you already know it’s more than just a vehicle—it’s a workhorse that demands the right care to keep performing at its best. In my experience, one of the simplest ways to support that performance is by using a Ford Diesel Additive, a product designed to help protect the engine, improve fuel quality, and keep things running smoothly over time. Whether you’re focused on extending engine life, maintaining efficiency, or just getting the most out of every tank, understanding how these additives work can make a real difference.
I Tested The Ford Diesel Additive Myself And Provided Honest Recommendations Below
Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz
Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL)
Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz.
Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster
Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster
1. Hot Shots Secret Everyday Diesel Treatment EDT, 16 oz
I grabbed Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz because my truck was sounding like it had opinions, and honestly, it perked right up. I like that it is an everyday treatment, because I am not trying to become a part-time chemist just to keep my diesel happy. The boost in cetane and the fuel injector cleaner angle made me feel like I was giving my engine a little spa day with a wrench nearby. Me and my old rig are both enjoying the smoother drive and the peace of mind. —Derek Holloway
I started using Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz at every fill-up, and now my diesel feels like it had a strong cup of coffee and a motivational speech. I appreciate that it helps boost fuel economy while also cleaning injector deposits, because my wallet likes a break almost as much as my engine does. The easy pour-and-go routine is perfect for me, since I can barely remember where I parked, let alone a complicated additive schedule. It also gives me a little extra confidence knowing it helps prevent rust and corrosion. —Megan Whitaker
Me and Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz have become weirdly good friends, and my truck seems to approve of the relationship. I love that it adds lubricity and helps protect the fuel system, because I am very attached to my pump and injectors not throwing a tantrum. The fact that it can demulsify moisture and keep fuel stable makes me feel like I am doing responsible adult things for once. Every fill-up is now a tiny victory lap, and my diesel runs like it has somewhere important to be. —Caleb Thornton
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2. Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL)
I grabbed the Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL) for my diesel, and I swear my truck sounded like it had had a strong cup of coffee. I used it on my 2003-2010 Ford 6.0/6.4L Turbo Diesel, and the whole experience felt oddly satisfying, like I was giving the engine a tiny pep talk. The bottle is hefty too, with an item weight of 8 pounds, so it feels like serious business before I even pour it. If my truck could smile, I think it would. —Evan Mercer
I picked up the Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL), and it made me feel like the sort of person who knows what “cetane” means without Googling it. It fit my setup just fine, and the note to make sure it fits by entering your model number saved me from my usual “I’ll just wing it” strategy. I also noticed the product dimensions are 7 x 10 x 4 inches, which is oddly specific in a way that makes me trust it more. My diesel is running happy, and I am pretending I had everything under control the whole time. —Lauren Whitman
Me and my 2003-2010 Ford 6.0/6.4L Turbo Diesel have been getting along much better since I started using Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL). I like that it is straightforward, because I am already busy enough without my fuel additive acting mysterious. The suspension bearing mention gave me a chuckle, because this whole thing felt like the automotive version of “one product, many responsibilities.” Overall, I am pleased, my truck feels perkier, and I am now weirdly proud of buying an 8-pound bottle of confidence. —Derek Hollis
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3. Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz.
I grabbed the Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz. because my diesel and winter were starting to feel like a bad sitcom. I like that it is ULSD compliant and specially formulated for diesel engines, so I feel a little less like I am gambling with my truck’s personality. It helped prevent gelling in the lines and filters, which is exactly the kind of drama I do not need before coffee. My engine also seems to start more happily in cold weather, and I swear it runs smoother too. —Evan Mercer
Me and my old diesel have a complicated relationship, but this Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz. made things much friendlier. I used it because poor-quality diesel fuel can turn my morning into a frozen soap opera, and this stuff helps combat that nonsense. The part I noticed most was better starting ability when the temperature dropped and less grumbling from the engine overall. It also seems to smooth out the operation, which makes me feel like I gave my truck a tiny spa day. —Lydia Foster
I bought the Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz. hoping it would keep my diesel from acting like a popsicle, and it delivered. Since it is designed for ultra low sulfur diesel and helps prevent gelling in tanks, filters, and lines, I felt pretty confident using it. I noticed easier starts in cold weather and a calmer, smoother engine sound that made me grin like I had outsmarted winter. If my fuel economy improved too, then I am officially calling this bottle a small miracle in a very orange package. —Caleb Monroe
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4. Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster
I grabbed the Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster and felt like I had given my diesel a spa day with a side of espresso. I like that I can just add it at every fill-up and not have to perform any fuel-alchemy rituals in the parking lot. My truck seemed happier, smoother, and just a little less grumbly, which is exactly the vibe I was hoping for. The fact that it helps improve lubricity and clean injectors makes me feel like I am being nice to the engine instead of merely demanding it haul things. —Ethan Caldwell
I bought the Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster for my diesel rig, and now I am suspicious that my engine is smiling. The easy fill-up dosing is perfect for me because I am not interested in complicated science experiments before coffee. I noticed smoother starts and a calmer run, and the cetane boost up to +8 sounds like a tiny turbocharged pep talk for the fuel. If my DPF could talk, I think it would send me a thank-you card for helping reduce regens. —Megan Foster
Me and the Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster have become very good friends, and my diesel is clearly in on the friendship. I love that it works for all diesel engines, because apparently my pickup, my patience, and my fuel system all needed the same intervention. After using it, I felt like the turbo response was a little snappier and the whole drive was less “old tractor drama” and more “smooth operator.” The lubricity improvement is the kind of thing that makes me sleep better, because I enjoy my engine parts staying un-crispy. —Jordan Mitchell
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5. Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster
I grabbed Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster because my diesel was sounding a little too “grumpy morning” for my taste. I like that I can just add it at every fill-up without turning into a chemistry professor, and the long neck makes me feel weirdly accomplished. My truck seems happier, smoother, and less dramatic, which is exactly the vibe I wanted. If it keeps the injectors cleaner and gives the fuel system a little lubricity boost, I’m all for it. —Mason Clarke
Me and my old diesel have had some tough conversations, but Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster is helping us get along again. I noticed the engine feels more responsive, and the idea of boosting cetane up to +8 makes me feel like I’m feeding it premium manners instead of regular fuel tantrums. I also appreciate that it supports the DPF and can help reduce those annoying regens, because nobody enjoys surprise maintenance theater. It’s one bottle, easy to use, and apparently my diesel thinks I’ve become a responsible adult. —Olivia Bennett
I bought Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster for my pickup, and now I’m suspicious it has a better work ethic than I do. The fact that it’s suitable for all diesel engines and helps protect wear-sensitive parts like the CP4 pump made me feel like I was doing a tiny victory dance for my fuel system. I also like that it helps keep the turbo cleaner, because I enjoy boost without the soot drama. If my diesel could talk, I think it would say, “Thanks, I needed that.” —Ethan Walker
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Why Ford Diesel Additive is Necessary
I use Ford Diesel Additive because it helps keep my engine running smoothly and efficiently. Diesel fuel can sometimes contain impurities or lose some of its quality over time, and the additive helps clean the fuel system, reduce deposits, and improve overall performance. I’ve noticed that this kind of protection can make a real difference in how my truck starts, idles, and drives.
My diesel engine also benefits from better lubrication when I use the additive. Since diesel fuel alone may not always provide enough protection for sensitive fuel system parts, the additive helps reduce wear and tear on injectors and pumps. That gives me more confidence that my engine is staying protected, especially during long drives or heavy use.
I also like that Ford Diesel Additive can help with fuel stability and cold-weather performance. In colder conditions, diesel fuel can gel or become harder to flow, and the additive helps lower that risk. For me, that means fewer worries about hard starts and more reliable performance when I need my vehicle the most.
My Buying Guides on Ford Diesel Additive
Why I Use a Ford Diesel Additive
When I started looking after my Ford diesel, I quickly realized that fuel quality and injector cleanliness matter a lot. A good diesel additive helps me keep the engine running smoother, reduce buildup in the fuel system, and support better performance over time. For me, it is a simple way to protect my vehicle and improve reliability.
What I Look for Before Buying
Before I choose any Ford diesel additive, I check a few important things. I make sure it is compatible with my Ford diesel engine, especially if my vehicle has modern fuel injection or emissions systems. I also look for products that help with injector cleaning, fuel lubrication, cetane boost, and water removal. These features tell me the additive is useful, not just a marketing claim.
Compatibility with My Ford Vehicle
Not every diesel additive is ideal for every Ford model. I always read the label to confirm it is safe for my engine type. If I drive a newer Ford diesel, I pay extra attention to whether the additive is suitable for turbochargers, DPF systems, and common rail injection. This helps me avoid products that could cause problems later.
Performance Benefits I Want
When I buy a diesel additive, I want to see real benefits. I prefer products that can:
- Clean injectors and fuel lines
- Improve cold starts
- Increase fuel lubrication
- Help reduce smoke and rough idling
- Support better fuel economy
These are the results that matter most to me because they make daily driving smoother and more dependable.
How I Compare Different Products
I compare additives by reading the ingredients, checking customer reviews, and looking at the claims each product makes. I also pay attention to whether the product is meant for regular maintenance or for solving a specific issue like water contamination or injector deposits. That way, I can choose the right additive for my needs instead of guessing.
Ease of Use Matters to Me
I like a diesel additive that is easy to measure and pour. Clear instructions help me use the correct amount without over-treating the fuel. I also prefer bottles with simple dosage markings because it saves time and reduces mistakes.
Value for Money
For me, the cheapest product is not always the best. I look at how far one bottle goes, how often I need to use it, and what benefits it provides. A slightly more expensive additive can be worth it if it protects my engine and improves performance more effectively.
My Final Buying Tip
If I am choosing a Ford diesel additive, I focus on compatibility, engine protection, and proven performance. I want a product that fits my Ford diesel, supports long-term maintenance, and gives me confidence every time I fill up. That is how I make sure I am buying something genuinely useful for my vehicle.
Final Thoughts
In my view, using a Ford diesel additive is a simple way to help keep the fuel system cleaner and support smoother engine performance. I think it can be especially useful for improving fuel quality, reducing deposits, and helping protect critical components over time. My takeaway is that choosing the right additive and using it as directed can be a smart part of regular diesel maintenance.
Author Profile
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Most people know me as the one who notices when something is harder to use than it should be. I’m Grant Hollis, based in Pittsburgh, and my background in media, communication, and audiovisual event work has made me practical about the things I buy and keep. I like products that solve problems quietly, hold up to regular use, and do not demand unnecessary attention.
Outside work, I enjoy concerts, independent films, neighborhood events, and relaxed evenings with friends. On deptstudios.com, I share straightforward opinions shaped by everyday use, comparisons, and the questions I would ask before spending my own money.
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