
STP High Mileage Fuel Injector & Carburetor Treatment is a product designed to clean fuel injectors and carburettors in vehicles with high mileage (over 75,000 miles or 120,000 kilometres). It is formulated to prevent the accumulation of deposits, which can lead to hard starts, lost acceleration and rough idling. The treatment is safe for all gasoline engines and compatible with cap-less gas systems. Users have reported varying experiences with the product, with some praising its ability to increase gas mileage and engine performance, while others have complained about leaking packaging and uncertain effectiveness.
| Characteristics | Values |
|---|---|
| Purpose | To clean fuel injectors and carburetors by preventing the accumulation of deposits |
| Compatibility | Safe for any gasoline engines, including cap-less gas systems |
| Usage | Pour the entire contents into the gas tank before or after fueling |
| Frequency | Use regularly when you fill up |
| Treat Rate | 5.25 fl. oz. bottle treats up to 15 gallons of gasoline; 12 fl. oz. bottle treats up to 21 gallons of gasoline |
| Performance | Improved gas mileage, smoother idling, and increased engine performance |
| Customer Feedback | Positive reviews for effectiveness and price; some complaints about leaking packaging |
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What You'll Learn
- STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is safe for all gasoline engines
- The product is formulated to clean fuel injectors of vehicles with over 120,000 kilometres
- It can be used to restore engine performance by removing deposits
- The treatment can increase gas mileage and improve acceleration
- It is an inexpensive solution to a clogged fuel injector

STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is safe for all gasoline engines
STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is a product designed to clean fuel injectors and carburetors in vehicles with over 75,000 miles (or 120,000 kilometres). It is safe for use in all gasoline engines and is compatible with cap-less gas systems.
The product is designed to remove deposits from fuel injectors and carburetors, which, if left untreated, can lead to hard starts, lost acceleration, and rough idling. The treatment is formulated with jet fuel, acting as a high-quality carrier of active ingredients to prevent the accumulation of deposits.
STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is easy to use. Simply pour the entire contents of the bottle into your gas tank before or after fuelling. The 5.25 fl. oz. bottle treats up to 15 gallons of gasoline, while the 12 fl. oz. bottle treats up to 21 gallons. It is recommended to use the treatment regularly when you fill up your gas tank.
The product has received positive reviews from customers who have noticed improvements in their vehicle's performance and fuel efficiency after using the treatment. Some customers have reported increases in gas mileage, smoother idling, and overall cleaner injectors. However, there have been a few complaints about leaking bottles and packaging issues.
Overall, STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is a safe and effective way to maintain the performance of fuel injectors and carburetors in all gasoline engines, helping to remove deposits and prevent future accumulation.
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The product is formulated to clean fuel injectors of vehicles with over 120,000 kilometres
The STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is designed for vehicles with over 120,000 kilometres on the clock. It is an effective cleaner that can help restore engine performance by removing deposits that have built up over time.
The product is easy to use; simply pour the entire contents of the bottle into your gas tank before or after fuelling. It is compatible with capless gas systems and is safe for all gasoline engines.
STP's Fuel Injector & Carburetor Treatment is formulated to prevent the accumulation of deposits, which, if left untreated, can lead to hard starts, lost acceleration, and rough idling. The treatment is made with jet fuel, acting as a high-quality carrier of active ingredients to ensure a deep clean.
Users of the product have reported positive results, with some noticing an increase in gas mileage and cleaner injectors. One user reported that their Hyundai's mileage had increased from 30 mpg to 33 mpg after just one use, and a further increase to between 34 and 36 mpg after the second use. Another satisfied customer stated that the product "cleared up my rough idle which was obviously dirty fuel injectors".
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It can be used to restore engine performance by removing deposits
Deposits in the fuel system can lead to hard starts, lost acceleration, and rough idling. STP's Fuel Injector & Carburetor Treatment is formulated to prevent the accumulation of deposits, thereby restoring engine performance.
The product is designed to clean fuel injectors and carburetors, removing deposits and restoring engine performance. It is compatible with cap-less gas systems and is safe for all gasoline engines. The treatment is made with jet fuel, which acts as a high-quality carrier of active ingredients.
STP's Fuel Injector & Carburetor Treatment is available in 5.25 fl. oz. and 12 fl. oz. bottles, treating up to 15 and 21 gallons of gasoline, respectively. To use, simply pour the entire contents into your gas tank before or after fueling.
Several customers have reported positive experiences with the product, noting increased gas mileage and cleaner injectors. One customer reported that their Hyundai's mileage increased from 30 mpg to 33-36 mpg after using the treatment. Another customer mentioned that the product cleared up their rough idling issue, which was likely due to dirty fuel injectors.
Overall, STP's Fuel Injector & Carburetor Treatment is an effective and inexpensive way to restore engine performance by removing deposits and maintaining the clean performance of fuel injectors and carburetors.
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The treatment can increase gas mileage and improve acceleration
The STP High Mileage Fuel Injector & Carburetor Treatment is an effective solution for improving engine performance and increasing fuel efficiency in high-mileage vehicles. This treatment is specifically designed for vehicles with over 75,000 miles (or 120,000 kilometres) that may be experiencing a decline in performance due to dirty or clogged fuel injectors.
The treatment is formulated with deposit-control additives that help remove deposits and gunk from the fuel system, including the fuel injectors and carburetors. These deposits, if left untreated, can lead to hard starts, lost acceleration, and rough idling. By cleaning these vital engine components, the treatment helps restore engine performance, resulting in improved acceleration and a smoother driving experience.
Numerous customer testimonials attest to the effectiveness of the STP High Mileage Fuel Injector & Carburetor Treatment in increasing gas mileage. Some users have reported an increase of several miles per gallon, even after just one use. This improvement in fuel efficiency not only saves money at the pump but also contributes to reduced emissions, benefiting both the environment and your wallet.
The treatment is safe and compatible with all gasoline engines, including cap-less gas systems. Its ease of use is another advantage, as it can simply be poured into the gas tank before or after fuelling. The treatment is available in 5.25 fl. oz. and 12 fl. oz. bottles, treating up to 15 and 21 gallons of gasoline, respectively.
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It is an inexpensive solution to a clogged fuel injector
The STP High Mileage Fuel Injector & Carburetor Cleaner Treatment is an inexpensive solution to a clogged fuel injector. It is designed to clean fuel injectors in vehicles with over 75,000 miles (or 120,000 kilometres) and improve engine performance. The treatment is formulated with deposit-control additives to help remove deposits, which can save gas and improve mileage.
The product is safe for all gasoline engines and compatible with cap-less gas systems. It is easy to use, with users simply pouring the entire contents into their gas tank before or after fuelling. The frequency of use is dependent on the user, with some using it every other fill-up, and others using it as a one-time fix or an occasional precaution.
Reviews of the product are generally positive, with several customers reporting an increase in gas mileage and cleaner injectors after using the treatment for a while. One customer reported that their car "goes so fast now" and that the treatment "cleaned out all the old gunked-up stuff". Another customer stated that it cleared up their rough idle, which was likely due to dirty fuel injectors.
However, there are some negative reviews, with a few customers experiencing leaks with the product. One customer reported that the packaging box was wet, and the bottle broke with normal grip, spilling its contents onto their car and clothes. Therefore, while the STP High Mileage Fuel Injector & Carburetor Cleaner Treatment can be an inexpensive and effective solution to a clogged fuel injector, there may be some quality control issues with the packaging.
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Frequently asked questions
It is a bottled lubricant formulated for vehicles with over 75,000 miles (or 120,000 kilometres) to clean fuel injectors. It is compatible with cap-less gas systems and safe for all gasoline engines.
It is specially formulated to maintain the clean performance of fuel injectors and carburetors by preventing the accumulation of deposits, which can lead to hard starts, lost acceleration and rough idling.
Customer reviews on Amazon indicate that it does work to clean out gunk from the fuel system, increase gas mileage and improve engine performance. However, some customers have complained about the packaging leaking.











































