Rajan Wilcox
Diesel fuel is more complex than gasoline and has more properties that need protecting by additives. Diesel fuel treatments are products designed to improve the performance and efficiency of diesel engines by addressing issues related to fuel quality and engine maintenance. Fuel treatments can be used preventatively to keep your engine running smoothly and efficiently, but it's important not to over-treat your diesel fuel. Diesel fuel should be treated differently throughout the year, with anti-gel treatments being particularly important in winter to prevent the fuel from solidifying and clogging the fuel tank and filters.
| Characteristics | Values |
|---|---|
| When to treat diesel fuel | When temperatures reach or drop below 32°F, or if temperatures drop drastically. At around 15°F or lower, untreated diesel fuel may fully gel. |
| Diesel fuel should be treated year-round to control lubricity, cetane rating, cold weather performance, and overall fuel stability. | |
| Diesel fuel should be treated preventatively to keep the engine running smoothly and efficiently. | |
| Diesel fuel should be treated when it is stored to keep it stable and ensure it meets legal requirements. | |
| Types of treatment | Fuel injector cleaners, cetane boosters, anti-gel additives, multi-functional treatments, single-function treatments, lubricity improvers, biocide |
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What You'll Learn
When temperatures are 32°F or below
When temperatures are 32 °F or below, diesel fuel is at risk of gelling, which occurs when the paraffin in the fuel solidifies. This can lead to fuel clouding, clogged tanks, and clogged fuel filters, resulting in engine startup issues and trouble accelerating. To prevent gelling, an anti-gel additive should be used. The amount of anti-gel additive required is proportional to the temperature; the lower the temperature, the more additive should be used. Anti-gel additives contain chemicals that lower the freezing point of the fuel, preventing it from solidifying.
Diesel Treat by Howes is a popular anti-gel additive that effectively prevents gelling in extremely cold temperatures. It is a petroleum-based product that does not contain alcohol or harmful solvents, making it safe for engines and warranty-compliant. It also acts as a fuel conditioner, providing lubricity to injectors, pumps, and upper cylinders, thereby extending the life and improving the performance of diesel engines.
Another option is to use a Cetane booster, which increases the cetane rating of diesel fuel, improving combustion efficiency and reducing emissions. Cetane boosters typically contain chemicals such as nitrates or nitrites that aid in the quicker and more complete ignition of the fuel.
It is important to closely monitor how your fuel reacts to additives, as over-treating can also lead to issues such as clogged filters and decreased engine performance.
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$108.99
To improve engine performance
Diesel fuel treatments and engine modifications can improve engine performance and fuel efficiency. Fuel treatments are products designed to improve the performance and efficiency of diesel engines by addressing issues related to fuel quality and engine maintenance.
Fuel additives
Fuel additives are substances designed to optimise combustion, improve fuel efficiency, reduce engine wear, and prevent fuel-related issues. They act as lubricants, providing a protective barrier to reduce friction and wear on critical engine components. Fuel additives also stabilise diesel fuel and prevent degradation by inhibiting the formation of harmful deposits.
Fuel injector cleaners
Fuel injector cleaners are designed to remove deposits and other contaminants that can clog fuel injectors and reduce engine performance. They typically contain detergents and other additives that help break down deposits and prevent them from building up.
Cetane boosters
Cetane boosters increase the cetane rating of diesel fuel, which improves combustion efficiency and reduces emissions. They contain chemicals that help ignite the fuel more quickly and completely.
Anti-gel additives
Anti-gel additives prevent diesel fuel from gelling in cold temperatures, which can clog fuel filters and prevent the engine from starting.
Diesel tuners
Diesel tuners are electronic devices that improve and manage the performance of a diesel engine. They are cost-effective and easy to install, and they can also improve fuel economy.
Engine modifications
Aftermarket parts and modifications can also improve diesel engine performance. For example, installing a new air filter can improve performance and horsepower. A bypass filtration system can also be added to the oil filter to reduce engine wear and improve fuel performance.
Additionally, upgrading to performance fuel injectors can increase power output and fuel efficiency. Adjusting the fuel injection timing, pressure, and duration can also influence the engine's performance.
It is important to closely monitor how your fuel reacts to certain additives and modifications. Regular maintenance by an experienced specialist can also help improve the overall efficiency and performance of your vehicle.
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To prevent gelling in cold weather
Diesel fuel gelling is a common issue in cold weather, occurring when the wax in diesel fuel crystallises and thickens, hindering the engine's operations and preventing the fuel flow to the engine. This can cause blockages in the fuel lines and fuel filter, resulting in sluggish acceleration and reduced engine performance. To prevent this issue, there are several measures that can be taken:
Firstly, it is important to use the appropriate fuel type for the cold weather conditions. In regions with cold climates, switching to winterised diesel or No. 1 diesel, which has a lower gelling temperature, can significantly reduce the chances of fuel gelling. It is worth checking with local gas stations to see if they offer diesel with a lower gelling temperature. Additionally, maintaining a full or at least half-full fuel tank can help reduce the risk of water or condensation collecting and causing diesel fuel to gel.
Another effective strategy is to use engine block heaters, which keep the engine warm even when the vehicle is not in use. This is a practical and energy-efficient way to safeguard against diesel fuel gelling. For personal or small-duty vehicles, engine block heaters can be a cost-effective alternative to a tow and the hassle of being stranded on the road.
Furthermore, fuel additives are highly recommended to prevent diesel fuel gelling. Winter diesel fuel additives, such as anti-gel additives, cold flow improvers, and diesel winter anti-gel, can prevent the wax from gelling and solidifying. These additives improve the fuel's water dispersion, lubricity, and cetane, ensuring optimal performance. They can lower the pour and gel points, allowing the engine to perform better at lower temperatures. It is important to choose high-quality additives and follow the recommended dosage based on the outside temperature and fuel's cloud point.
Additionally, storing your vehicle in a climate-controlled garage or heated environment can help protect it from freezing outdoor temperatures and reduce the risk of fuel gelling. This method, along with the use of kerosene, can be effective in preventing gelled diesel fuel and ensuring a smooth winter driving experience.
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To prevent corrosion
Diesel fuel stored in tanks can cause corrosion in the metal walls of the tank, which can lead to fuel leaks and costly repairs. The corrosion can be caused by the presence of water, fuel particulates, and microbial activity. Microbial activity is a major contributor to corrosion in diesel fuel tanks, as microbes feed on biofuels like ethanol and biodiesel, which are commonly found in diesel fuel samples.
Another way to prevent corrosion in diesel fuel tanks is to use corrosion inhibitor additives, which create a barrier between the metal and the fuel, inhibiting corrosion. These inhibitors contain chemicals that bond to the metal inside tanks and pipelines, repelling the fuel. High-quality diesel fuels may already contain these additives, but additional treatments can be purchased to ensure corrosion protection.
It is also important to maintain proper housekeeping measures for contaminants and to address any necessary repairs promptly. Regular maintenance and monitoring of the tank and fuel condition can help prevent corrosion and identify any potential issues early on. By following these preventive measures, tank owners and operators can help reduce the risk of corrosion and the associated safety and financial risks.
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To improve fuel economy
Diesel engines are more fuel-efficient than spark-ignition engines of a similar size, but there are still many ways to improve the fuel economy of a diesel engine.
One way to improve fuel economy is to reduce the weight of the vehicle. The heavier the vehicle, the more energy it uses to move, and the more fuel it consumes. Removing unnecessary weight, such as unused equipment, can improve fuel economy.
Another way to improve fuel economy is to reduce drag. This is a widely accepted method for improving fuel efficiency in trucking fleets. Devices such as vortex generators, fairings, side skirts, vented mud flaps, drive fenders, and wheel covers can be installed to reduce drag and improve fuel economy.
A well-serviced engine also operates more efficiently and consumes less fuel than a neglected engine. Regular oil changes with high-quality oil are important for keeping the engine's parts moving smoothly. Clean air and fuel filters can prevent unnecessary fuel waste, so it is important to clean or replace them when changing the motor oil. Timely replacement of worn-out parts, such as fuel injectors, can also contribute to better fuel economy.
Using high-quality diesel fuel can also improve fuel economy. Premium diesel fuel may cost more than standard diesel, but it can improve fuel efficiency and save money in the long run.
Finally, driving habits can also impact fuel economy. Accelerating and braking smoothly, driving at a steady speed, and avoiding idling can all improve fuel economy. Additionally, maintaining proper tire pressure can improve fuel efficiency, as under-inflated tires increase rolling resistance, making the engine work harder.
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Frequently asked questions
Diesel fuel is more complex than gasoline and has more properties that need to be protected by additives. These additives improve engine performance and fuel efficiency, reduce maintenance costs, and protect the fuel system.
Winter and cooler months. Diesel fuel is prone to gelling in cold temperatures, which can cause issues with starting the engine and acceleration.
Regularly testing your fuel is important to identify any contamination early on. Immunoassay antibody tests are a quick and easy way to detect microbes and contaminants that can cause issues.
FPPF, Power Service, and Howes Diesel Treat are all popular options. These additives can prevent gelling, improve engine performance, and protect against contaminants.
Yes, it is possible to over-treat diesel fuel, especially during extremely hot or cold months when there is a tendency to overcompensate. Over-treating can lead to clogged filters and decreased engine performance. Always follow the directions on the additive packaging.
