Power Service Diesel Kleen +Cetane Boost - 12 Ounce (Pack of 9)

This is an excellent product, I add one to every tank full in my 2018 RAM 3500.

My 2004 Dodge (Cummins) has 148,000 miles on it, and I bought it new. I could hear the injectors rattling more after about 130,000 miles, so I started using Diesel Kleen every few tanks. It really quiets them down, and the engine runs better on Diesel Kleen as well (smoother and feels like a little more power). I really like the single use bottles, since I can keep one in the door for when I need to fuel up.

This is only my second diesel-powered vehicle (F250, 6.7 powerstroke), and I’ve learned that if you care for them, they last forever. They should - big investment. I favor Diesel Kleen (PS Products) over other brands for numerous reasons (read the reviews), but one of the handiest things with this packaging is the right size bottle for the size tank in my truck (34 gal). Rather than having to pour and guess, I just pour the whole bottle in and chuck the empty. I keep the carton in the back of the enclosed bed for easy access. It just makes life simpler.

works good, I did wee a 10% milage gain!!! other additives did little and Diesel Kleen works!!!

Kleen Diesel I have been using for over 20 years.I use both the summer and winter blend depending on the time of year.I use it each and every time I fill my 97 Ford F-250 with the 7.3 diesel. Vehicle runs well and never had an issue with the engine.I also have a 2005 VW Jetta TDI Diesel.I purchased both of these vehicles new. This TDI just turned 192,000 and has never had an engine issue.

Been using this product for years.

I like that it is a little bit less expensive and more readily available than the previous product I was using. So far seems to be working fine in the engine. I have one complaint. The 12 oz. bottle is intended to treat 40 gallons while I have a 28 gallon tank. Therefore I only need to use a partial bottle. There is no way to tell how much treatment remains in an open bottle. I just have to guess how much I've used. My previous brand of treatment had a clear portion of plastic that would show how much was remaining in a bottle. This power Service product seems designed to ensure you use more than you should to make additional sales. That's corporate greed at work.

Doesn’t seem to improve miles per gallon as they claim. At least I can’t find any correlation to using it and not using it. But it is a cleaner for the injection system and that is what I buy it for.