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How often to use Lucas Fuel Injector Cleaner?

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Is it Good to Use Lucas Fuel Injector Cleaner?

Modern internal combustion engines are complex beasts; few of us, except for dedicated mechanics, truly understand. Engines can range from a two-cycle weedeater to an eight-cylinder automobile. Every internal combustion engine requires the right oil, gasoline, and other fluids to perform efficiently.

In 1990 Congress mandated the Clean Air Act. Along with the regulations, lawmakers devised the reformulated gasoline program. The first phase of the reformulated gasoline program began in 1995 and the second in 2000. The RFG program was designed to clean the air we breathe and cut back on smog with a cleaner, blended gasoline.

Gasoline aromatics is a deadly blend of known chemicals extremely harmful to humans and is in the air we breathe. EPA regulations have mandated a controlled elimination of these deadly chemicals starting with the Clean Air Act. However, one of the mandated processes strips gasoline of polymers. These polymers act as a lubricant in the gasoline and are attached to the harmful aromatics. The major issue with reformulated gasoline, it lacks the polymers needed for power to internal combustion engines.

Companies such as Lucas Oil have formulated additives that add power back to gasoline and diesel fuels. Dirty injectors with carbon buildup cause a myriad of problems for your engine.

Several signs point to your engine having fouled injectors and a dirty combustion chamber.

  • Starting problems
  • Engine idles rough
  • The engine will not reach full RPMs
  • Poor fuel consumption
  • Surging under different throttle loads
  • Failed emissions

Every car and truck builder provides a maintenance schedule for their vehicles. Most programs are based on 30, 60, 90 schedules. Meaning certain items need to be checked and or replaced 30,000 miles, 60,000 miles, and 90,000 miles. It is important to realize these recommendations are the minimum that should be performed. Every mechanic recommends treating your gasoline to clean the injectors and other parts of your fuel system.

It is recommended to choose a cleaner that treats the entire fuel system, like the Lucas Upper Cylinder Lubricant. Quality cleaning products treat the combustion chamber, valves, top of the pistons, along with the injectors. Without periodic cleaning, problems such as gasoline varnish (coagulation of the gasoline) arise. This issue is related to a dirty combustion chamber, which is a neglected air-filter. Gasoline varnish can lead to a damaged fuel pump. How often to use lucas fuel injector cleaner is a question you will need to ask several times.

There are three main chemicals for the major fuel injector cleaners on the market. 1) Polyisobutylene: It acts as a detergent 2) Polyether Amine: effective for removing solidified deposits 3) Polyisobutylene Amine: effective for removing moisture.


Is it Good to Use Lucas Fuel Injector Cleaner?

Lucas Oil products are some of the most widely known and used fuel additive products. Their additives are used on all types of engines from 2 cycle weedeaters to NASCAR engines. Their fuel treatment is powerful and comprehensive.

The treatment is solvent-free and will keep your fuel system nicely lubricated. The combustion chamber, injectors, and the complete fuel system benefit from the additive. Customer reviews across the web are overwhelmingly positive with most users experiencing better gas mileage and a smoother running engine.


How Often to Use Lucas Fuel Injector Cleaner?

Lucas Fuel Treatment can be used on any gasoline or diesel engine. The formula is compatible with either carburetors or injectors. If your engine is acting up or will nor pass emissions, start using the additive immediately. Lucas Fuel Treatment is best used as a preventative on a regular schedule.

Most mechanics and service technicians agree, use fuel treatment additives every 2500 to 3000 miles or at every oil change.

Lucas Recommends the following directions:

  • The recommended dosage is 2 to 3 ounces of fuel treatment for every ten gallons of fuel (either gasoline or diesel)
  • It will not harm the engine to exceed the dosage

If you are planning a long trip and the engine will be under heavy load, start preparing several weeks in advance. Use the Lucas Oil Treatment in heavy doses to make sure every internal engine part is heavily coated.

Can You Use Fuel Injector Cleaner Too Often?

Every fuel additive brand has its own recommendations for use. Some additives are meant for heavy-duty use, while others are general all-purpose treatments.

In General, Consider the Following Doses:

  • For general maintenance purposes and to improve on the efficiency of the engine, use lower doses on every other fill-up. This dose gives the engine its best chance for better fuel mileage.
  • If your engine is experiencing minor problems, consider a stronger additive, larger doses. Use this dosing guideline less often.
  • Injectors that are totally clogged, dirty combustion chamber, and fouled valves use the strongest cleaner and the biggest dose. Rarely use this amount of dosing.

If your goal is to maintain a healthy fuel mileage rating, Lucas Fuel Injector Cleaner is an excellent choice. Recommended dosing for this product is 2 to 3 ounces for every ten gallons of fuel, and there is no harm to your engine by exceeding this application. It is common for motorists to use the Lucas product with every fill-up. More money may be spent on additive; however, the increased fuel mileage savings will offset the extra money.

Another bit of information for those who wish to add gas treatments at every fill-up. The best treatments contain solvents to improve combustion and detergents, which clean the fuel system. This method continually cleans existing deposits and water in the fuel; it keeps the engine clean as time goes by.

Do You Put the Fuel Additive in Before or After the Gas?

Gas treatments work if they are fully mixed into the gasoline before combustion. The best procedure for adding a gas treatment is the splash method.

  • A splash treatment is generally a better method than adding the treatment on top of the gasoline. If your tank has fuel, add the gas treatment at the gas station before putting any more fuel into the tank. Once your treatment is added, then put your gas in the tank. This procedure ensures the additive is thoroughly mixed throughout the tank.
  • The diffusion method is the less optimal procedure. It is the method of putting the treatment into the tank and letting it sit on top of the gas. The treatment is spread in the tank by movement.

In reality, it does not matter how much gas is in the tank before putting in your additive. The key is to fill up the tank immediately after the treatment. Filling up the tank afterward ensures none of the treatment gets stuck in the filler neck.


Fuel treatments such as Lucas provide important benefits in the maintenance of your engine. Lubricating qualities keep the internal workings running smoothly, reduces friction, and hard starts. Treatments also are a big advantage in dissolving carbon deposits. With the right fuel additive, you will experience longer engine life, fewer maintenance requirements, and increased cost savings.

Smooth running engines, whether in a car or lawnmower, are a great asset. They provide peace of mind, safety, and security to our everyday lives. However, there are plenty of things that can go wrong with an internal combustion engine. Something can break down, causing the engine to overheat or a seal breaks and suddenly, there is no oil.

Taking care of the engines that run our lives is a necessity. We must get to work in an hour, or the grass must be cut by tomorrow. To get the very best performance and longevity out of any engine, it needs to be on a maintenance schedule. These timetables are determined by the manufacturer and a user’s experience.

People are using Lucas Oil Treatment in every type of engine from lawn mowers to diesels. It is one of the best products on the market to keep fuel injectors in proper working order.

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