Customer Ratings & Reviews

I didn't notice any difference. The car had no performance problems beforehand.

Did not notice a difference when used.

So does it work? I have no clue. I ran several of these additives through my vehicles, but Im not 100% convinced that there was any improvement in the performance or mileage of my vehicles. I added 1 bottle to a tank in my Cayenne S before visiting friends in AZ. Another bottle while filling up again for the way home to LA area in CA. Mileage didnt increase at all, ( 23mpg hwy) and performance didnt seem to increase either, but maybe my Porsche was already max clean from using name brand fuels. In any case case, I tried it in a non DI vehicle, ( Porsche Boxster S) and it didn't shine there either. So as a preventive maintenance measure I'd say go for it, but in my case, I have not notices any difference in performance whatsoever.

Bottle came half open and spilled product all over my other merchandise that i Bought

Product effectiveness unknown at this point, but I’ll keep using what I bought and update. Seems very expensive for the amount of fuel it treats.

Most Amsoil products do a job that you can usually feel but PI was disappointing. It cost more than many similar fuel cleaners but you won’t notice any difference. Perhaps lab results show something different but in real world road condition you can save money & get the same results.

Not impressed, shipping was also charged even though i entered the discount code. I suggest you buy gasoline additives elsewhere.

Noticed absolutely no difference. Will stick to what i normally use every 3000 miles.

Put it in gas as per directions, drove it around in my 2012 work van, 140,000km. Normal average consumption is 11.8 to 12.4L/100km, and I fell in that range for the treatment tank, and the following tank. Can't say if it cleaned anything out, but I can say it didn't help mileage.