By 
BRIAN, 
a 
Verified Buyer 
on 
April 04, 2025
Made a difference!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
CODE "Check engine"
By 
RICHARD, 
a 
Verified Buyer 
on 
April 01, 2025
J'avais 2 codes "check engine" P0420 & P0430, faisant rapport au catalyseur et oxygen sensor
qui se sont effacés après un seul traitement. De mon côté ce fut bénéfique :)
By 
ARIC, 
a 
Verified Buyer 
on 
March 23, 2025
I have used Amsoil products for over 20 yrs now. All my boats, cars, trucks, snowmobiles, lawn equipment, if it uses oil and I own it it will have Amsoil. As long as this company continues to outperform in product perfomance and customer services I will continue to be a dedicated customer. 5 stars!
And to think I got nothing to write this review
Good job Amsoil! keep it going!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Used regularly in my gas engines
By 
GIOVANNI, 
a 
Verified Buyer 
from 
BadLands Alberta  
on 
March 23, 2025
I add product annually. I noticed a good improvement in performance and fuel economy immediately.
Bottom Line
No, I would not recommend this to a friend.
Was this review helpful?
5 star rating
Love it!
By 
JEFFREY, 
a 
Verified Buyer 
on 
March 22, 2025
Love this product, started using at every pil change. Smoother idea and improved gas mileage.
This stuff helps keep up maintenance on your vehicle and just adds that extra step of preventative maintenance. I had a gummed up injector and this stuff cleaned it up right away.
I use Amsoil PI in my Direct Injected Subaru Crosstrek as well as my Mitsubishi Mirage and 3/4 ton Chevrolet (which don't have direct injection). It seems to be doing a good job of keeping my fuel injectors clean/ engines running efficiently. Upkeep is key and so I've been using this on my vehicles since they were new. Idling and throttle response are good with all engines.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Performance emprover
By 
JOHN, 
a 
Verified Buyer 
on 
March 15, 2025
I use this on every oil change along with the upper seller lubricant keeps car running tipped up if it works don't change it
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