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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality


I mix it with the gas in the ratio recommended.


Well worth the money, especially with the cheaper 1 gal vs the smaller quarts.


Mechanic opened up my '96 honda civic engine with 120,000+ miles on it for valve adjustment and he called me over to take a loo...  Read More

Price


The gallon size is enough for a long time and the price is great compared to smaller bottles.


So many good uses and good price buy the gallon.


Too bad it costs too much to figure that out.


Couldn’t find locally at a good price.

Shipping


Had a slight leak which coated the box but shipping company wrapped in plastic.

Packaging/appearance


If you use to much it will cause the engine to smoke out of the exsust.


I have looked at other peoples engines at 30k with brown sludge coating the valvetrain already.

Competitiveness


No spectacular results, just continued reliable operation, protection against ethanol and maybe a 1-2 mpg bump in my wife's toy...  Read More


Now i'm cutting back to 4oz per 10 gallons fuel.

Overview

  • How are reviewers describing this item?
    great, good, clean, every and still.
  • Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
  • Our engine has determined that the review content quality is low.
  • Our engine has analyzed and discovered that 72.5% of the reviews are reliable.
  • This product had a total of 347 reviews as of our last analysis date on Aug 18 2021.

Helpful InsightsBETA

The AI used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    With fast clean products you run the risk of clogging your sump pump oil filter oil galleries or worse creating compression issues from pitting that was sealed by buildup


    Posted by a reviewer on Amazon

    Bought this on a recommendation from a service tech


    Posted by a reviewer on Amazon

    Product is great but it came damaged and it took weeks to get a credit resolved


    Posted by a reviewer on Amazon

    Diesel engine problems in my ford econoline e350 van cured by marvel mystery oili was spending an extra 20 per tank on other additives


    Posted by a reviewer on Amazon

    If i failed my engine light would come on unless i stayed on top of it at all times


    Posted by a reviewer on Amazon

    Last time i had my fuel injectors system cleaned it cost me 1700


    Posted by a reviewer on Amazon

    Too bad it costs too much to figure that out

Review Count History
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Price History
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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

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