Customer Ratings & Reviews

I used it to clean my fuel line! It works great!

Love your oil it’s nice to no you don’t have to worry about it when I use your oil

I'm not a scientist, so I can't provide anyone with specifics. It seems to do a good job of keeping the engine internals clean. I use it at every oil change on my wife's car.

Great additive every once in a while

Put this in an empty tank then filled up and got easily 3 mpg more on the highway than usual. Great stuff 2018 Silverado 1500 4x4

Works as advertised. Notice the difference right away at my first oil change at 13,000 miles / 10% oil life on Monitoring system. Bought my charger at 4,000 miles. Twice before every oil change seems to do the job. I only use it as recommended per instructions.

Everything that occurred in your video happened with my 2003 Ford Explorer Sport (301k miles) after one tankful of gas. Increased acceleration, smoother idling and increased MPG. I am extremely pleased with the results of the Amsoil P.I. especially after using many competitor's products with no results. Great job, Amsoil!!

PI seems to work cleaning the injectors.

Been using this product for more years than I can remember, yeah I'm old! Keep up the good work Amsoil!

Not that gas is bad as it use to be in the day but, it's still not perfect for todays injectors which clog way to easy. I've used this in honda's and ram's ..... I did notice improvement.

The Amsoil P i. Increases power and overall performance in my Husqvarna Kohler 20HP tractor. Also keeps the carburetor and intake cleaner.

Noticed my engine started running like it should after using 👍👍

This thing works magic, stop waiting and test it today!

Good product. I use every oil change. Highly recommend. Well worth the money

I decided to try this on my 2016 Camry. After the road trip, it went from 393 miles till empty to 428 miles till empty. It obviously cleaned something out. I’ll keep my eye on the “miles to empty” to see how long it lasts.

I thought I would give this a try to help keep my injectors clean. After only the first one hundred miles of use I could feel an improvement in performance. Nothing noticeable in improved MPG. I will definitely use this again after the recommended four thousand miles

Been using this for 20 yrs, 6 cars, all over 200kmiles before selling them, never had to replace a fuel injector.

This gasoline additive always gives my cars a slight boost in performance right after using it. You can feel it working. Another quality product made by Amsoil.

Cleans out the crud left from the gasoline additives.

Use Pi in all my cars as well as my kids and grandkids when I do other servicing for them. Helps with keeping the fuel system healthy.