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Customer Ratings & Reviews

Diesel All-In-One

Product code : ADBPCN-EA

4.9 Read 116 reviews

Customer Rating

4.9

97% would recommend

  • 5 109
  • 4 6
  • 3 0
  • 2 0
  • 1 1

Diesel All-In-One

4.9 Based on 116 reviews
  • 5
    Run Cleaner
    By  RICHARD,  a  Verified Buyer  on  October 03, 2021

    Describe the issue

    It seems to make it run cleaner less smoke
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Use it Regularly!
    By  JAMES,  a  Verified Buyer  from  NH  on  September 23, 2021

    Describe the issue

    I use All In One in my Duramax at every fill up. I've never had to replace an injector or fuel pump, and my mpg is higher than average according to a Duramax group. Coincidence? I think not.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Works in winter
    By  WILLIAM,  a  Verified Buyer  from  Chicago   on  September 22, 2021

    Describe the issue

    I have use this product for 3 winter now and it works great.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    AMSOIL ALL-IN-ONE
    By  ROBERT,  a  Verified Buyer  from  GEORGIA  on  September 15, 2021

    Describe the issue

    Putting a li'l extra goodies in the fuel tank will keep my Duramax running strong for years to come!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Significant increases in power and fuel economy!!!
    By  Mike,  a  Verified Buyer  from  Prescott  on  September 06, 2021

    Describe the issue

    Recently I just drove to Wyoming from Arizona and back on a hunting trip. I've made this trip several times in the past. The trip varies in elevation from 4500 up to 11,000 ft. On this trip I started using the Diesel All-In-One and I saw significant increases in power and fuel economy, especially in the higher elevations where my truck used to struggle a bit. Great product and works as advertised!!!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5
    Diesel additive
    By  RICHARD,  a  Verified Buyer  on  September 05, 2021

    Describe the issue

    Little bit more mpg and piece of mind the injectors will last longer.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Used it
    By  DANIEL,  a  Verified Buyer  from  Upstate NY  on  September 03, 2021

    Describe the issue

    To early to tell. We’ll see.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Just like its name...
    By  ALLAN,  a  Verified Buyer  from  Shuswap  on  September 01, 2021

    Describe the issue

    ... All-In-One gets ‘er done. One product, that keeps my diesel engines running great all year. I just trust Amsoil so I don't mess around with other additives any longer.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    QUALITY!
    By  TOM,  a  Verified Buyer  from  Wisconsin   on  September 01, 2021

    Describe the issue

    I only use the highest quality parts and fluids on my 2018 cummins. Amsoil is the best on the market! WORTH EVERY PENNY! Keep your lubricated parts the best they can be! From fuel additives too rear-end lube / front to back! Amsoil all the way. You won't be disappointed, LONG LIVE YOUR DIESEL!!!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Performance
    By  RICHARD,  a  Verified Buyer  on  August 29, 2021

    Describe the issue

    Seems cleaner smoke not as black
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Best Additive Out There
    By  KLINT,  a  Verified Buyer  from  Kentucky  on  August 28, 2021

    Describe the issue

    This is by far the best diesel additive on the market. Thank you, Amsoil!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Diesel Fuel All In One
    By  GENE S.,  a  Verified Buyer  from  Lancaster, CA  on  August 24, 2021

    Describe the issue

    I only use our 2014 RAM 3500 with a 6.7 Ltr. engine, to tow our fifth wheel RV. Keeping the engine clean is a must and so far, I get 12-14 MPG towing in 5th gear and on the open road empty, I get 29-31 MPG (with a 3.73/1 gear ratio. I couldn't get that without the injectors working really well. I only have 40K on the odometer but I'm still happy putting the fuel additive into the fuel every 4K miles.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Diesel All-in-One
    By  RANDY,  a  Verified Buyer  from  Wilkerson Pass, CO  on  August 04, 2021

    Describe the issue

    Since I started using Diesel All-in-One, my trucks and tractors start easier, smoke less under load and my fuel mileage/ horsepower has increased also.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    works for me!
    By  pappa,  a  Verified Buyer  from  northeast Illinois  on  July 20, 2021

    Describe the issue

    Tractor fires up just as easy in the winter as it does in the summer! No worries about gelled fuel.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Made for MY diesel
    By  SODkennels,  a  Verified Buyer  from  Fancy Farm, KY  on  July 18, 2021

    Describe the issue

    This all-in-one is my go to for my Cummins engine. It keeps it in optimal conditions and I trust Amsoil with my investments!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Fuel treatment
    By  JUSTIN,  a  Verified Buyer  on  July 18, 2021

    Describe the issue

    Helped increase mpg by 1 mpg.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Additive
    By  JOHN,  a  Verified Buyer  from  Panama City   on  July 06, 2021

    Describe the issue

    Like this additive
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Improve the Life of Your Injectors
    By  BARRY,  a  Verified Buyer  from  Georgia  on  June 15, 2021

    Describe the issue

    I've been using AMSOIL in my GMC Duramax for 15 years now and still have the original injectors. No problems with the engine and great mileage compared to most that I know. If you want to increase the reliability and longevity of your diesel truck or car, use this awesome product, seriously.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Diesel All-in-One
    By  MARK,  a  Verified Buyer  from  Centennial CO  on  June 14, 2021

    Describe the issue

    Simple works great. Worth every penny. Definitely recommend.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5
    Amsoil Products all-the-way
    By  JERRY,  a  Verified Buyer  from  Jasper GA  on  June 13, 2021

    Describe the issue

    2020 Ford F350,.....pushed me out to getting 22.7 mpg highway @ avg. 70 mph
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?