I put it in all my cars i can note the difference after tank emptied , better mileage better throttle response and quieter engine
My v6 suv jumped from 14 to19 mpg
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great cleaner
By
RICH,
a
Verified Buyer
from
Texas
on
November 08, 2026
Keeps injectors flowing great
Was this review helpful?
5 star rating
Makes my car run smoother!
By
RIVER,
a
Verified Buyer
on
November 05, 2026
After I added the gasoline improver to my tank, I noticed a huge difference! My car ran substantially smoother. I highly recommend everyone gets this product.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best Fuel Additive
By
BILL,
a
Verified Buyer
from
GA
on
November 02, 2026
Using this product along with the Amsoil oil change is the perfect combination for a great running vehicle.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
3 star rating
New design of seal isn’t good
By
DEVIN,
a
Verified Buyer
on
November 02, 2026
Love the product, have been using in all my cars for almost 7 years now. Recently they change the seal on the bottle. Used to have a pull tap so the seal would come off in one piece, new seal is a downgrade.
Was this review helpful?
5 star rating
Exceptional
By
PAT,
a
Verified Buyer
from
Chicago
on
November 02, 2026
There is no other brand name that I will use!!!! AMSOIL IS THE BEST!!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Review
By
REX,
a
Verified Buyer
from
Belfair WA
on
November 01, 2026
I commute 80+ miles a day and I need my cars fuel system in top shape. I notice it smooth out the cars idle and runs as it were new. Happy with the outcome.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Fuel cleaner
By
PAUL M,
a
Verified Buyer
from
New Bern, NC
on
October 31, 2026
This works great.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great products
By
MATT,
a
Verified Buyer
on
October 27, 2026
Great Products
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Works Great i gained power and milage
By
JEFF,
a
Verified Buyer
from
Red Wing, MN 55066
on
October 25, 2026
It works great cleaning injectors and improving horse power and milage!
Was this review helpful?
5 star rating
Difference made
By
WOODY,
a
Verified Buyer
from
North Carolina
on
October 25, 2026
Every time I use this product, it seems to increase my gas mileage.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Helps To Improve MPG
By
MARIANO,
a
Verified Buyer
from
Illinois
on
October 23, 2026
I've been using the PI performance improver for 6 months now and MPG has increased after each usage.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
I have been using this for years.
By
CONSTANTINE,
a
Verified Buyer
from
East coast
on
October 20, 2026
I have been using this PI fuel treatment in all my gasoline engines. From lawnmowers to cars and trucks.
It keeps them running smooth.
My lawnmower was hard to start, and ran rough. I added this. Ran a tank of gas through it while mowing and changed the spark plug afterwards. Runs like a dream now. It sat for months. Started on 2nd pull
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Every 6 month clean out.
By
TODD A.,
a
Verified Buyer
from
Southeast Texas
on
October 17, 2026
We put this through every 6 months and at the oil change rotation to get it a little clean out of the system. It’s kept everything running clean in over 8 vehicles of ours now.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Works great
By
FRANCISCO,
a
Verified Buyer
from
VA
on
October 15, 2026
These products improves your vehicle
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Been using since AMSOIL came out with it
By
SCOTT W,
a
Verified Buyer
from
Queen Creek, AZ.
on
October 12, 2026
Been using since AMSOIL came out with it. Original dosage was 1 oz. per 10 gallons. I still use it that way to this day.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Pleased customer
By
DALE,
a
Verified Buyer
from
Ohio
on
October 07, 2026
I try to use this at least once every 5,000 miles to keep things clean. It seems to work better than other products I've used so I will be sticking with PI.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
3 star rating
It seemed to help very little
By
JOHN,
a
Verified Buyer
from
Cumberland, RI
on
October 05, 2026
I really didn't notice much difference in performance after using this product
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Noticable improvements
By
JAKE,
a
Verified Buyer
from
KY
on
October 05, 2026
I have noticed improvements in gas mileage and in performance.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
You can feel the power
By
CHRIS,
a
Verified Buyer
from
Merritt Island FLorida
on
October 05, 2026
Amsoil IP really does help improve fuel efficiency. I can always feel the power increase once i use a bottle in a tank of gas.
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