
Fuel Doctor is a fuel conditioner and cleaning product that is added to fuel tanks to improve performance and engine health. It is designed to clean gums, varnish, carbon, moisture, and microbial material, while also increasing lubricity. The product is available in various sizes, including 250ml, 1 litre, and 5 litres, with prices ranging from $13.00 to $152.21. The cost per litre is reduced when purchasing larger containers. Fuel Doctor is manufactured by Fuel Doctors, a specialist fuel tank cleaning company established in 1994 and based in Australia. The product has received positive reviews from customers who have noticed improvements in fuel efficiency and engine performance.
| Characteristics | Values |
|---|---|
| Product | Fuel Doctor Fuel Conditioner |
| Manufactured by | Fuel Doctors |
| Manufactured in | Australia |
| Manufactured since | 1994 |
| Price | 250ml = $13.00 |
| 1 Litre = $34.82 | |
| 5 Litre = $152.21 | |
| Use | Fuel system cleaner and conditioner |
| Use case | Petrol, Diesel and two-stroke engines |
| Use case | Cleans gums, varnish, carbon, moisture, microbial material |
| Use case | Increases lubricity |
| Use case | Stabilises and extends fuel storage life |
| Use case | Increases fuel efficiency |
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What You'll Learn

Fuel Doctor Fuel Conditioner cost
Fuel Doctor is a fuel conditioner that is formulated for diesel, petrol, and two-stroke fuel systems. It is designed to clean gums, varnish, carbon deposits, and microbial material while increasing lubricity. The product also helps stabilize and extend fuel storage life. The cost of Fuel Doctor Fuel Conditioner varies depending on the quantity purchased.
According to the official Fuel Doctor website, the product is available in different sizes, including 250ml, 1-litre, and 5-litre containers. The 250ml container is suitable for tanks up to 100 litres and is recommended for initial shock treatment. The price of the 250ml container is not explicitly mentioned on the website but is available from third-party retailers.
The 1-litre container is priced at $34.82, while the 5-litre container offers a better value at $152.21. These prices are listed on the website as a reference for international orders and may vary depending on the customer's location.
Customers can also purchase Fuel Doctor from authorised resellers and distributors, who may offer different pricing and promotions. It is worth noting that Fuel Doctor offers free shipping within Australia and guarantees to never run out of stock, ensuring customers can access the product conveniently.
While the cost of Fuel Doctor Fuel Conditioner may vary based on the retailer and location, the product is generally considered a worthwhile investment. Testimonials on the website highlight significant improvements in fuel efficiency, engine performance, and reduced environmental impact.
One customer, Simon, reported an improvement in fuel efficiency in their Yaris, reducing fuel consumption from 7.5 to 6.3 litres/100km, resulting in a savings of 111 km per tank. Another customer, James Duncan, shared impressive results, with their Nissan Pulsar's range increasing from 540km to 740km per tank after just one treatment.
In addition to the cost of the product itself, it is worth considering the potential savings and benefits that Fuel Doctor can provide. By improving fuel efficiency and engine performance, customers can reduce their fuel costs and contribute to a more environmentally friendly driving experience.
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Fuel Doctor's effectiveness
Fuel Doctor is a fuel conditioner that is specifically formulated for diesel, petrol, and two-stroke fuel systems. It helps to clean gums, varnish, and carbon deposits, disperses moisture, kills and disperses microbial material, and increases lubricity. The product is manufactured by Fuel Doctors, a specialist fuel tank cleaning company established in 1994.
The effectiveness of Fuel Doctor is supported by numerous testimonials from customers who have used the product. For example, one customer reported that Fuel Doctor helped to eliminate smoky exhaust and improve performance in a 30-year-old Land Rover. Another customer with a BMW 2-litre engine noted that Fuel Doctor helped to get rid of a vibration issue at 1800 revs in 5th gear.
Additionally, Fuel Doctor has been found to be effective in treating fuel tanks with contamination or "dirty fuel" issues. One user reported that Fuel Doctor helped clean a fuel tank with muck and greasy sludge, resulting in clean fuel and a clean-looking tank. Furthermore, Fuel Doctor has been praised for its ability to increase fuel efficiency and improve engine performance. A user with a Nissan Pulsar reported an increase in fuel efficiency from 540km per tank to 740km per tank after just one treatment.
Fuel Doctor has also been used in a variety of vehicles and engines, including cars, boats, motorcycles, and generators. It has been recommended by users for its ability to improve engine performance, smoothen idling, and increase acceleration responsiveness. Overall, the effectiveness of Fuel Doctor is supported by positive testimonials and real-life usage reports, indicating that it is a reliable and effective fuel conditioner for various types of engines and fuel systems.
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Fuel Doctor's availability
Fuel Doctors is a specialist fuel tank cleaning company that was established in 1994 and is based in Australia. The company manufactures Fuel Doctor Fuel Conditioner, a product designed to clean gums, varnish, carbon deposits, and microbial material from fuel systems. It is suitable for diesel, petrol, and two-stroke fuel systems.
While Fuel Doctors is based in Australia, its products are available internationally. The company's website includes information on international ordering, with prices listed in US dollars. However, one customer from Malaysia reported that Fuel Doctor was not available there and that none of the substitutes performed as well.
To address availability concerns, the company's website assures customers that they will never run out of stock and offers same-day shipping within Australia. The website also acknowledges the high demand for the product and provides a solution through its partnership with Bright Viper, which guarantees stock availability and same-day shipping.
Fuel Doctor can be purchased directly from the Fuel Doctors website, with prices listed in Australian dollars. The product is also available from third-party retailers, such as Cairns Diesel Service, and through international ordering, as mentioned earlier.
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Fuel Doctor's ingredients
Fuel Doctor is a fuel system cleaner, conditioner, and stabiliser that is suitable for diesel, petrol, and two-stroke engines. It is designed to clean and disperse gums, varnish, condensation, microbial and biological growths, while also improving fuel delivery and combustion performance. The product is composed primarily of carbon, oxygen, and hydrogen, with oxygenated molecules that promote increased thermal efficiency and minimise carbon, soot accumulation, and particulate emissions.
Fuel Doctor is a blend of oxygenated solvents and emulsifiers, formulated to protect against the accumulation of growths and bacteria that thrive in hydrocarbon fuels and their storage systems. It converts accumulated moisture, growths, and their excreta into microscopic particles, while also dissolving and dispersing gums, varnish, and asphaltenes. The by-products of Fuel Doctor's formulation are increased thermal efficiency, resulting in a nominal increase in power and economy, as well as a decrease in particulate emissions.
The product is especially useful for cleaning inaccessible underground fuel storage tanks and is also used as a fuel stabiliser, extending the life of fuel in storage tanks for up to two years for petrol and up to five years for diesel.
One user commented that the product contains "mostly alcohols", listing the following ingredients:
- 2-(2-butoxyethoxy) ethanol 112-34-5 (>30%<60%)
- Poly(oxy-1,2-ethanediyl), alpha-tridecyl-omega-hydroxy-, branched 69011-36-5 (>10%<30%)
- Alcohols, C12-14, ethoxylated 68439-50-9 (>10%<30%)
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Fuel Doctor's history
Fuel Doctors is a specialist fuel tank cleaning company established in 1994 and based in Australia. Its initial focus was on cleaning underground fuel tanks for emergency power generators in the high-rise buildings of Brisbane's central business district. For the first fifteen years of its existence, the company de-sludged, cleaned, and prevented contaminated fuel from passing into vehicle and marine fuel tanks.
Fuel Doctors manufactures Fuel Doctor Fuel Conditioner, a product specifically formulated for diesel, petrol, and two-stroke fuel systems. It is designed to clean gums, varnish, and carbon deposits, disperse moisture, kill and disperse microbial material, and increase lubricity. By breaking down fuel contaminants into sub-micron particles, Fuel Doctor allows them to pass safely through the fuel system to combustion without causing any harm to fuel pumps, injectors, catalytic converters, or particulate filters.
The use of Fuel Doctor can result in increased thermal efficiency, leading to improved power and economy, and reduced particulate emissions (unburnt fuel). Additionally, it can stabilize and extend fuel storage life, with a claimed shelf life of up to twenty-four months for petrol and five years for diesel.
Fuel Doctor has gained recognition for its effectiveness in improving fuel efficiency and engine performance, as evidenced by positive testimonials from users in Australia and other parts of the world.
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Frequently asked questions
Fuel Doctor Fuel Conditioner is available in various sizes: 5 litres for $152.21, 1 litre for $34.82, and 250ml for $13.00.
Yes, shipping is free anywhere in Australia.
Bright Viper guarantees to never run out of stock and to ship Fuel Doctor on the same day you order it.
Fuel Doctor improves fuel economy and minimises harmful emissions, making it a cost-effective and environmentally-friendly choice.










































