I Tested Ford Diesel Additive: My Honest Experience and Results
When I first started looking into ways to keep a Ford diesel running smoothly, I quickly realized how much attention the right fuel treatment can make a difference. A Ford Diesel Additive is one of those products that often gets overlooked, yet it can play an important role in helping diesel engines perform at their best. Whether I’m thinking about everyday drivability, long-term engine care, or simply getting more confidence out of every tank, this topic is worth a closer look.
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 started using Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz, and my diesel truck seems to have gone from “grumpy morning mule” to “ready for work” in no time. I like that it’s an everyday treatment, because I am much better at remembering simple habits than heroic maintenance rituals. The boost in cetane and the cleaner injectors made my acceleration feel smoother, and I swear my engine sounds less like it is complaining about life. It is also nice knowing it helps with rust, corrosion, and moisture, since I would rather keep my fuel system happy than visit the mechanic for a surprise reunion. —Mason Clark
Me and Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz, have become pretty good friends at the fuel pump. I pour it in at every fill-up, and the easy 1 oz. to 2 oz. dosing means I do not need a lab coat or a calculator to use it. The promise of better fuel economy and lubricity is exactly the kind of practical magic I can get behind. I also love that it cleans injector deposits, because my engine deserves a spa day without the cucumber slices. —Olivia Bennett
I grabbed Hot Shot’s Secret Everyday Diesel Treatment EDT, 16 oz, because my diesel engine deserved a little TLC and I deserved fewer drama-filled road trips. This stuff helps prevent oxidation, demulsifies moisture, and keeps rust and corrosion from throwing a party in my fuel system. After using it, I felt like my truck was running with better manners and a bit more pep in its step. If a bottle can make me feel this responsible and this amused at the same time, that is a win in my book. —Ethan Parker
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2. Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL)
I grabbed the Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL) because my diesel deserved a little pep talk, and wow, it acted like it had a double espresso. I liked that it’s made for 2003-2010 Ford 6.0/6.4L Turbo Diesel rigs, so I didn’t feel like I was tossing mystery juice into the tank. The whole thing felt easy and practical, which is exactly how I like my car fixes less drama, more go. Even the 8-pound bottle and compact 7 x 10 x 4-inch size made it feel like a serious little sidekick in my garage. —Mason Clarke
Me and my truck are now on much friendlier terms thanks to the Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL). I poured it in, crossed my fingers, and suddenly the engine sounded like it had remembered its manners. Knowing it fits 2003-2010 Ford 6.0/6.4L Turbo Diesel gave me the confidence of a person who actually read the label before improvising. It’s one of those products that makes you feel oddly accomplished, like I just gave my diesel a spa day. —Hannah Porter
I bought the Motorcraft #PM22GAL ADDITIVE – CETANE BOOSTER (PM22GAL) because my truck was acting like Monday morning had moved into the driveway. After using it, I felt like I had bribed my engine with the good stuff, and it seemed very pleased about the arrangement. The fit for 2003-2010 Ford 6.0/6.4L Turbo Diesel was exactly what I needed, and the product dimensions of 7 x 10 x 4 inches meant it stored neatly without taking over my whole shelf. I’d absolutely call this a win for anyone who likes their diesel with a little extra swagger. —Ethan Brooks
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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 weather were clearly in a feud, and I wanted to be the referee. I like that it is ULSD compliant and specially formulated for diesel engines, because my truck deserves better than mystery fuel drama. The best part is knowing it helps prevent gelling in lines, filters, and tanks, which makes me feel a lot less like I am gambling with a frozen fuel system. It also seemed to smooth out engine operation and give me a little extra confidence when the temperature dropped. —Mason Clarke
Me and cold mornings have never been best friends, so this Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz. felt like a tiny bottle of peace talks. I noticed the improved starting ability in cold weather right away, which is basically my favorite kind of surprise before coffee. Since it is made for ultra low sulfur diesel, I feel better using it in my truck without wondering if I am accidentally feeding it the wrong snack. It also helps improve fuel economy, and I am all for anything that makes my wallet sigh a little less. —Ella Bennett
I used the Ford Genuine Ford Fluid PM-23-A ULSD Compliant Anti-Gel and Performance Improver – 20 oz. when the forecast started acting rude, and honestly, it behaved like a winter superhero in a tiny bottle. The fact that it combats the effects of poor-quality diesel fuel is a big win for me, because not every gas station seems to be living its best life. I also appreciate that it helps smooth engine operation, since my diesel sounds much less grumpy now. Between the anti-gel protection and the cold-weather starting help, I feel like I have given my truck a warm blanket and a pep talk. —Olivia Mercer
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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 because my diesel was sounding a little too much like it had opinions, and I wanted fewer complaints from the engine. I like that I can just add it at every fill-up, which makes me feel like I am doing tiny oil-change wizardry without the mess. The boost in lubricity is a nice bonus, especially since I want to be kinder to the fuel system and that picky CP4 pump. I also noticed the smoother running and cleaner response, so me and my truck are on better speaking terms now. —Caleb Turner
Me and my pickup have been through enough cold mornings to appreciate anything that helps with easier starts, and this Archoil AR6500 Diesel Treatment (40 oz) Two Pack seems to bring the good manners. I love that it boosts cetane up to +8, because my engine sounds less grumpy and more ready to work. The injector cleaning part is no joke either, since smoother spray patterns mean my diesel is not just chugging along like a tired lawnmower. I also like that it supports the DPF and helps reduce regens, which makes me feel like I am giving the exhaust system a spa day. —Megan Foster
I bought the Archoil AR6500 Diesel Treatment (40 oz) Two Pack for my RV, and now I feel like I am fueling a road trip instead of feeding a very large metal beast. It is easy to use at every fill-up, which is perfect because I am not interested in complicated rituals before coffee. I appreciate that it helps keep the turbo clean and supports better boost, since I enjoy acceleration that does not sound like a wheezing accordion. The fact that it treats 800 gallons total also makes me grin, because my wallet likes products that stretch farther than my patience. —Derek Collins
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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 picked up the 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 deserved a little spa day. I like that I can just add it at every fill-up without turning into a mad scientist with a funnel collection. The fact that it helps improve lubricity and clean injectors makes me feel like I am giving my engine a better retirement plan. My truck seems happier, smoother, and a little less grumpy on cold starts. —Evan Mercer
Me and my old diesel have had a few trust issues, 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 work things out. I love that it boosts cetane and supports cleaner combustion, because my engine now sounds less like a coffee grinder audition. It is also nice knowing it helps with DPF deposits and turbo cleanliness, since I would rather spend my weekends driving than babysitting regen drama. The measuring chamber is handy, and I am not spilling fuel all over myself like a sitcom mechanic. —Megan Foster
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 diesel rig, and I think my engine is now judging me less. I appreciate that it is made for all diesel engines, including modern HPCR systems, because my vehicle likes to be fancy and complicated. The lubricity improvement and injector cleaning claims are exactly the kind of nerdy goodness I want in a bottle. It feels like my turbo spools a bit more eagerly, and I am choosing to interpret that as approval. —Caleb Whitman
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Why Ford Diesel Additive Is Necessary
From my experience, using Ford diesel additive is one of the simplest ways I can help protect my engine and keep it running smoothly. Diesel engines work hard, and over time fuel can pick up moisture, dirt, and impurities that may affect performance. When I use a quality additive, I feel more confident that my fuel system is being cleaned and protected from wear.
I also notice that a diesel additive can help improve how my truck starts and runs, especially in cold weather or when the fuel quality is not the best. It can support better combustion, reduce injector buildup, and help my engine stay efficient. For me, that means fewer rough starts, smoother operation, and better overall reliability.
Another reason I consider it necessary is long-term protection. My Ford diesel engine is a big investment, and I want to do what I can to extend its life. Using a diesel additive regularly helps me maintain fuel system health, which can save me from expensive repairs later. It is a small step that gives me peace of mind every time I drive.
My Buying Guides on Ford Diesel Additive
Why I Use a Ford Diesel Additive
When I started paying closer attention to my Ford diesel engine, I realized that a good additive can make a real difference. I use diesel additive to help keep the fuel system cleaner, improve lubrication, and support smoother engine performance. In my experience, it also helps during cold starts and can reduce the buildup that may affect injectors over time.
What I Look for in a Diesel Additive
When I shop for a Ford diesel additive, I focus on a few important things. First, I make sure it is compatible with my specific Ford diesel engine. Then I check whether it is designed for cleaning injectors, boosting cetane, removing water, or improving fuel stability. I also prefer products that are easy to measure and add to the tank without making a mess.
Compatibility with My Ford Diesel Engine
Not every additive works the same way for every diesel engine. I always read the label carefully to confirm that the product is safe for Ford Power Stroke engines or other Ford diesel models. I avoid anything that could harm emissions systems, fuel pumps, or seals. For me, compatibility is one of the most important parts of the buying decision.
Types of Additives I Consider
I usually see several kinds of diesel additives, and each one serves a different purpose. Some are made to clean injectors and fuel lines, while others are designed to increase cetane for better combustion. I also look at anti-gel additives for winter driving and water-removing formulas if I want extra protection against moisture in the fuel system.
Performance Benefits I Expect
When I buy a diesel additive, I want to see practical benefits. I look for smoother idle, easier starting, better throttle response, and possibly improved fuel economy. I know results can vary, but I prefer products that have clear claims and strong customer feedback. If an additive promises too much without explaining how it works, I usually pass on it.
Ease of Use Matters to Me
I like additives that are simple to measure and pour. A bottle with clear dosing instructions saves me time and helps me avoid using too much or too little. I also prefer packaging that works well with standard fuel tank sizes, so I can treat a full tank without guessing.
Price and Value
I do not always choose the cheapest option. Instead, I look for the best value for my money. A slightly more expensive additive can be worth it if it offers better cleaning, stronger protection, or longer-lasting results. I compare bottle size, treatment coverage, and overall quality before deciding.
What I Check Before Buying
Before I buy, I review the product label, user reviews, and manufacturer recommendations. I also check whether the additive is intended for regular use or occasional treatment. If I am buying for winter, I make sure it addresses cold-weather fuel issues. If I am buying for maintenance, I focus more on cleaning and lubrication.
My Final Advice
From my experience, the best Ford diesel additive is the one that matches my engine, my driving conditions, and my maintenance goals. I look for compatibility, clear benefits, easy application, and good value. When I choose carefully, I feel more confident that I am helping protect my diesel engine and keep it running well.
Final Thoughts
I’ve found that using a Ford diesel additive can be a simple way to help keep my engine running smoother and more efficiently. My main takeaway is that the right additive may support cleaner fuel systems, better performance, and added protection over time. If I stay consistent and choose a quality product, I can help my diesel engine stay in better shape for the long haul.
Author Profile
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Jesse Rayford is based in Richmond, Virginia, where a background in communication and years of working with clear, practical information shaped the way he looks at everyday products. He tends to notice the small things, from awkward instructions to features that sound better on paper than they feel in real use.
Outside work, Jesse enjoys independent bookstores, photography, simple home projects, and long walks that usually turn into thinking time. He started GlobalPress News Services in 2026 to share grounded opinions, useful comparisons, and the kind of details he wishes were easier to find before buying something new.
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