Introduced for automobiles 70 years ago, Chrysler's Hemi engine is a gasoline-burning powerplant named after the hemispherical shape of the combustion chambers. Hemis are considered high-performing engines and can typically be found in muscle cars and pickup trucks, but they are also thought of as less efficient and environmentally sound than regular engines. Many drivers of Hemi vehicles recommend the Amsoil P. Performance Improver, a cleaner for your car's entire fuel system.
While it's not geared toward Hemi engines specifically -- Amsoil P. By cleaning deposits as effectively as it does Amsoil's site says "testing shows P. It reduces emissions such as hydrocarbons, carbon monoxide and oxides of nitrogen, and improves fuel economy, addressing two major concerns when it comes to Hemis.
While there is a difference between fuel system cleaners and fuel injector cleaners, the former can typically be used in place of the latter. In fact, many drivers prefer to use full fuel system cleaners, as they're often stronger than cleaners designed specifically for fuel injectors.
Fuel injector cleaners, on the other hand, are typically a bit cheaper than their full-system counterparts. There are a few ways to tell if it's time to clean your fuel injectors. Your car's gas mileage may dip, and may have a rough idle or decreased throttle response due to dirty injectors.
Your engine may stall or have difficulty starting. As far as how long it will take to fix those problems, it really depends on your fuel injector cleaning product. Higher-quality cleaning-fluid products will lead to improvement after fewer applications than others -- you may even see improvement after running through just a single tank of fuel.
A severely clogged fuel injector may need to be sent to a cleaning service for ultrasonic cleaning before your engine can return to proper working order. If your car is running rough and returning decreased fuel economy, one of these fuel injector cleaners may help.
You also don't need to wait until you have a problem before you decide to clean your fuel injectors -- regular maintenance can save you the trouble of a poor-performing vehicle. By using a cleaner every 1, miles on a gasoline engine or with every tank for a diesel engine , you can get rid of sediment buildup before it reaches a noticeable level, and avoid the symptoms associated with clogged injectors.
You should note, however, that using a cleaner every 1, miles is simply a rule of thumb, and many products have their own specific instructions associated with frequency of use for optimal fuel-injection cleaning. Fuel injector cleaners are just one kind of fuel additive, or product that can be added to your fuel to affect your vehicle's performance and overall condition.
There are other additives that affect the fuel itself. For instance, a fuel stabilizer can be added to a car that won't be used for a long period of time in order to preserve the gas and prevent it from causing damage to the engine. There's no harm in adding fuel injector cleaner and fuel stabilizer to the same gas tank.
Throttle response was fair with slight misfires present under free revving. The car was taken on a road trip consisting of some open road and some stop and go driving. Although at cruise the engine ran fairly smooth the Air Fuel Ratio AFR constantly indicating that the engine was running between lean and rich. Stop and go driving showed huge lean-rich fluctuations.
Wide open throttle acceleration was very sluggish and produced misfires. Back at the shop the fuel tank was emptied into a 5 gallon measuring can. Based on this 8. Based on engine size, fuel injector size and fuel type being used etc. AFR ratios indicated lean engine conditions and the car produced 72 HP.
The old spark plugs was removed and checked. All indicated a lean condition. New spark plugs gaped to the correct size was installed and again the car produced 72 hp.
The air filter was replaced, again 72 HP. Then the fuel filter was replaced and again the car produced 72 HP. During dyno testing the fuel pressure under load stayed constant between 43 and 45 psi, indicating a healthy fuel pump. Based on the above we felt that the fuel injectors in the car was dirty and need cleaning.
We removed the injector and flow test them. The first cleaning method we wanted to test was Fuel Injector Cleaner. Also known as injector cleaning additives. This type cleaner is poured into the fuel tank and mix with the fuel. Blend of detergents and lubricant May allow vehicles to run on lower-octane, lower cost gasoline Goes beyond injectors to clean entire fuel system Better used as a preventative measure than relieving acute fuel system problems Some users report receiving damaged, leaking bottles from manufacturer Pricey compared to the competition.
Best Value. Chevron Techron Concentrate Plus. Reasonable price A full-system cleaner Widely available Designed for cars, ATVs, motorcycles and even boat engines, may work better on older motors Some users report receiving damaged, leaking bottles Not intended for diesel engines Chevron sells a different diesel injector cleaner. Best Imported Fuel Injector Cleaner.
Liqui Moly Jectron. Best For Older Vehicles. Gumout High Mileage. Good for high-mileage vehicles Among the strongest detergent formulations Reasonable price A minority of owners report no difference after use Clear bottles expose the liquid to light, possibly shortening shelf life Requires multiple treatments for best results. Best Diesel Injector Cleaner. Reasonable price Good for both fuel-injected and carbureted engines Neutralizes harmful effects of low-sulfur diesel fuel Meant as part of a maintenance regime, not for immediate fuel-system troubleshooting Loses potency over time if left on the shelf A handful of users report worsening fuel economy after use.
Best-selling Fuel Injector Cleaners on Amazon. Bestseller No. Cleans, restores, protects the entire fuel system fuel injectors, carburetors, intake valves and combustion chambers Restores: Lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor Reduces: Rough idle, engine surge, hesitation, and spark plus fouling.
Used regularly according to manufacturer instructions, fuel injector cleaners remove harmful deposits of carbon, sediment and gum, cleaning the nozzles of fuel injectors and other parts of the fuel system. Removal of those deposits aid in performance and fuel efficiency. That depends on the severity of the deposits in the vehicle and the detergent and other chemical strength of the cleaner.
Regular, repeated treatments should show results. That depends on the product. Some recommend adding the cleaner every time you fill your fuel tank — at least for a while. Others have longer intervals between use and are meant to be used at tune-up time or as preventative measures.
Fuel injector cleaners and gasoline treatments are different, though they are sometimes related. They use a stronger formulation of cleaning agents in gasoline treatments, but do not contain octane boosters or other types of fuel additives not aimed at cleansing.
Lucas is one of the top players in the market for fuel and oil additives. The company also sells this fuel injector cleaner that increases the fuel economy by lubricating the system. It works very well on old injectors and avoids them from getting damaged any more. The product works as an injector cleaner, fuel additive, and an oil additive for an all-round performance.
Lucas fuel treatment even neutralizes low sulfur fuel problems. If your car stalls often and suffers from shudders at start-ups, then this is your go-to product. It solves all the start-up problems while increasing fuel efficiency. The cleaner stays in the fuel system for some time after use and works on restoring the performance.
The product is said to increase the power output and reduces the harmful emission by up to percent. It can be used in all sorts of cars, trucks, ATVs, motorcycles, off-road bikes, etc. As the name itself suggests, the Gumout fuel injector cleaner eliminates the carbon deposits from the engine to good effect. It continues lubricating the engine even after months of use and that helps reduce the formation of sediments and gums on engines run even more than 75, miles.
In terms of performance, it makes the clogged injectors as good as new. It also works very well on vehicles with turbos and superchargers. Most of the products in this list work as cleaners and fuel additives. Well, the BG 44K fuel system cleaner does that and works in tandem with the other products.
It works fine with common fuel additives and alcohol-blended fuels so you can get the best performance from your engine.
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