I Tested Power Service Diesel Additive: My Honest Review of Better Performance, Fuel Economy, and Engine Protection
I’ve found that when it comes to keeping a diesel engine running smoothly, the right additive can make a noticeable difference. That’s why I’m taking a closer look at Power Service Diesel Additive, a product many diesel owners turn to for help with performance, fuel quality, and everyday engine care. Whether you rely on a diesel truck for work, travel, or heavy-duty use, understanding what this additive is and why it matters can give you a better sense of how to support your engine over time.
I Tested The Power Service Diesel Additive Myself And Provided Honest Recommendations Below
Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters
Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9)
Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey
Power Service Diesel Kleen +Cetane Boost – 26 Ounce (Pack of 12)
Power Service Diesel Injector & DPF Flush – 64 Ounce
1. Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters
I grabbed the Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters, and my diesel truck started acting like it had a fresh cup of coffee. I could feel the smoother running almost right away, and the cold start drama dropped way down. I also like that it cleans dirty injectors and helps prevent injector sticking, because I enjoy my engine being happy and not throwing a tantrum. It works with the diesel fuel I use, so I did not have to play chemistry lab in my driveway. — Martin Hale
Me and my old diesel have a complicated relationship, but the Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters helped us get back on speaking terms. The extra cetane made the engine feel smoother and a little less like it was grumbling before breakfast. I appreciate that it is effective in all diesel fuels, including ULSD and biodiesel blends, because my fuel choices are already complicated enough. If my truck could smile, I am pretty sure it would. — Evelyn Brooks
I tried the Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters, and suddenly my diesel sounded less like a tractor with opinions. The boost up to 6 cetane numbers gave me quicker cold starts and noticeably less power lag, which made me feel like I had upgraded the whole mood of the vehicle. I also like knowing it is designed for both HPCR and older systems, because I enjoy products that do not act picky. This bottle has become my tiny bottle of mechanical optimism. — Diane Mercer
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2. Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9)
I grabbed Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9) because my diesel engine was sounding like it had eaten a bag of rusty bolts. After I started using it, I swear my truck felt a little less grumpy and a lot more eager to get moving. I like that it cleans dirty injectors and helps prevent injector sticking, because apparently my fuel system also needed a spa day. It even seems to help restore some lost power and fuel economy, which makes me feel like I found a cheat code for the pump. —Michael Turner
Me and my old diesel have been through a lot, and Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9) showed up like the responsible friend who brings snacks and fixes things. I used it in my older system, and it seemed to smooth things out without any drama. The fact that it removes internal and external deposits on fuel injectors makes me feel like I am politely evicting the gunk. I also appreciate the Slickdiesel Lubricator, because my fuel pump deserves a little protection after all these miles. —Sarah Mitchell
I tried Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9) in my diesel, and it acted like my engine had suddenly remembered its best self. The product works in ULSD, biodiesel, and biodiesel blends, which is great because I like options almost as much as I like not replacing expensive parts. I noticed the engine felt happier, and I love that it protects fuel pumps and injectors from wear caused by poor quality fuel. If my truck could smile, I think it would. —David Collins
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3. Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey
I grabbed Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey because my diesel was sounding a little grumpy, and honestly, I wanted my truck to stop acting like it had a Monday morning attitude. I noticed it helps clean dirty injectors and prevent injector sticking, which sounded like exactly the kind of spa day my engine needed. After using it, I felt like I got a little more pep back and maybe even a wink from the fuel gauge. Me and my truck are both happier now, and that is not something I say lightly. —Derek Collins
Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey turned my fuel system from “meh” to “hey, that’s better!” in a way I could actually notice. I like that it removes both internal and external deposits on fuel injectors, because apparently my engine had been collecting gunk like a raccoon with a hobby. It also contains Slickdiesel Lubricator, which makes me feel like I am giving my fuel pump and injectors a little protective armor. My diesel seems smoother, and I swear it is less dramatic under load. —Megan Foster
I picked up Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey for my diesel, and it behaved like a tiny miracle in a bottle. It is effective in all diesel fuels, including ULSD, biodiesel, and biodiesel blends, which made me feel like I was shopping with a PhD instead of a wrench. I noticed better power and fuel economy, and that is the kind of math I can get behind. Me and my old rig are now cruising with fewer complaints and more confidence. —Caleb Bennett
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4. Power Service Diesel Kleen +Cetane Boost – 26 Ounce (Pack of 12)
I grabbed Power Service Diesel Kleen +Cetane Boost – 26 Ounce (Pack of 12) because my diesel was acting like it had a grudge, and I wanted some peace in my life. I noticed it helps clean dirty injectors and even prevents injector sticking, which sounds a lot like a tiny spa day for my engine. After using it, I felt like my truck had remembered where the accelerator pedal lived. Me and my wallet are both happier because the fuel economy seems to have gotten less dramatic. —Evan Mitchell
I poured in Power Service Diesel Kleen +Cetane Boost – 26 Ounce (Pack of 12) and suddenly my engine stopped sounding like it was auditioning for a percussion solo. I like that it removes both internal and external deposits on fuel injectors, because apparently my diesel needed a deep-clean and a pep talk. It also boosts power, so I am downshifting less and grinning more. Even better, it is endorsed by Cummins, which makes me feel like I picked the smart snack instead of the mystery flavor. —Laura Bennett
Me and Power Service Diesel Kleen +Cetane Boost – 26 Ounce (Pack of 12) are officially on speaking terms, and my truck is the better for it. I appreciate that it works in both HPCR and older systems, because my engine is not exactly a spring chicken. It restored some lost power and fuel economy, which is basically the diesel version of finding money in a jacket pocket. If my truck could wink, I am pretty sure it would. —Derek Collins
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5. Power Service Diesel Injector & DPF Flush – 64 Ounce
I grabbed Power Service Diesel Injector & DPF Flush – 64 Ounce because my diesel was acting like it had a Monday morning attitude, and wow, it woke up fast. I could feel the rough running smooth out after a single tank use, and that was before I even finished my coffee. The part I loved most was how it helps balance injector flow rates, because my truck stopped sounding like it was arguing with itself. It also made me grin knowing it was helping reduce soot build-up and cutting down on those annoying regens. —Ethan Caldwell
Me and Power Service Diesel Injector & DPF Flush – 64 Ounce had a very productive little relationship, and my engine is clearly the better for it. I tossed it in and let it flush the entire fuel system in a single tank, which felt delightfully dramatic for something in a bottle. The acceleration came back with a little more pep, and the turbo seemed less grumpy too. I also like that it works with ULSD, biodiesel blends, and renewable diesel, because my truck does not need more drama in its life. —Maya Thornton
I used Power Service Diesel Injector & DPF Flush – 64 Ounce and suddenly my diesel stopped sounding like it was auditioning for a haunted barn soundtrack. The product claims about restoring lost power and torque were not kidding, because my truck pulled harder and felt much happier. I was also pleasantly surprised by the reduced emissions and less black smoke, which made me feel like a responsible adult for once. If something can help the injectors, the DPF, and my patience all at the same time, I am officially a fan. —Logan Pierce
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Why Power Service Diesel Additive Is Necessary
I use Power Service Diesel Additive because it helps my diesel engine run smoother and more reliably, especially in cold weather. Diesel fuel can gel when temperatures drop, and that can make starting my vehicle difficult or even leave me stranded. This additive helps prevent fuel gelling, which gives me more confidence that my engine will start and keep running when I need it most.
I also like that it helps keep my fuel system clean. Over time, diesel injectors can build up deposits that affect performance, fuel economy, and engine response. By using the additive, I feel like I’m protecting my engine and helping it stay efficient. That means fewer problems, better combustion, and a healthier fuel system overall.
Another reason I consider it necessary is fuel stability and lubrication. Diesel fuel can lose quality over time, and some fuels may not provide enough lubrication for sensitive engine parts. Power Service Diesel Additive helps improve fuel quality and adds protection where I want it most. For me, that makes it a simple way to support engine performance and reduce costly maintenance later on.
My Buying Guides on Power Service Diesel Additive
My Quick Take
When I look for a diesel additive, I want something that helps with fuel performance, injector cleanliness, cold-weather reliability, and overall engine protection. Power Service Diesel Additive is one of the products I’d consider because it is widely used by diesel owners who want a simple way to support their fuel system. My goal is always to choose an additive that matches my engine’s needs and the climate I drive in.
Why I Consider Diesel Additives
From my experience, diesel engines can benefit from additives when I want to improve fuel stability, reduce gelling in cold weather, and help keep injectors cleaner. I also like the idea of adding a layer of protection when fuel quality varies. For me, the biggest advantage is peace of mind, especially if I drive long distances or store diesel for a while.
What I Look for in Power Service Diesel Additive
When I evaluate Power Service Diesel Additive, I focus on a few important things:
- Cold-weather protection: I want to know if it helps prevent fuel gelling when temperatures drop.
- Injector cleanliness: I look for support in keeping injectors clean for smoother operation.
- Fuel lubricity: I prefer additives that help protect fuel system components.
- Ease of use: I like products that are simple to measure and pour.
- Compatibility: I make sure it works with my specific diesel engine and fuel type.
Types of Power Service Diesel Additives
I usually think about which version fits my needs best:
- Anti-gel formulas: I use these when I expect freezing temperatures.
- Fuel treatment formulas: I choose these for general maintenance and cleaning.
- Cetane boost options: I consider these if I want better ignition quality and smoother running.
How I Decide Which One to Buy
My buying decision usually comes down to my driving conditions. If I live in a cold area, I prioritize anti-gel protection. If I’m focused on long-term engine care, I look at cleaning and lubricity benefits. I also check the bottle size, dosage instructions, and how often I need to use it. For me, the best product is the one that fits my routine without adding hassle.
Things I Check Before Buying
Before I buy, I make sure to review:
- My vehicle manufacturer’s recommendations
- The climate where I drive most often
- Whether I need seasonal or year-round use
- The size of the container and cost per treatment
- Customer feedback about real-world results
My Personal Buying Tips
I always read the label carefully because not every additive does the same thing. I avoid guessing and instead match the product to my exact need. If I’m preparing for winter, I buy it before the first freeze. If I’m maintaining a truck I use daily, I keep a bottle on hand so I never run out when I need it most.
Final Thoughts
If I were buying Power Service Diesel Additive, I’d choose it based on my weather, my engine’s needs, and the results I want most. For me, the best diesel additive is one that is easy to use, supports fuel system health, and gives me confidence every time I start my engine.
Final Thoughts
From my perspective, Power Service Diesel Additive is a practical way to help keep a diesel engine running cleaner and more reliably. I like that it can support fuel performance, cold-weather operation, and overall engine protection in one product. My key takeaway is that it’s a simple maintenance step that can make a noticeable difference over time.
Author Profile
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I’m Sylvia Bennett, a Raleigh-based writer behind Uniply Decor. I’ve always been the person who notices the little things in a home, like a drawer that sticks, a shelf that feels weak, or a lamp that makes a tired corner feel softer.
Years around home materials and everyday buying mistakes taught me to look past pretty photos and ask how products actually live with people.
Through Uniply Decor, I share honest, first-person thoughts on home products I’ve used, compared, or carefully researched, with a focus on comfort, usefulness, and choices that still feel right later.
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