I believe that many car owners have encountered the situation of being sold fuel treasure when refueling at a gas station. The salesperson said it clearly, but car owners are often dubious. After all, it is added to the fuel tank, so Have to be cautious. So does fuel treasure have any effect? With so many types of fuel pumps on the market, how should you choose?

Whether it is useful or not, I will introduce it in detail later. Let me first tell you about the classification of fuel treasures:

The fuel treasures on the market are roughly divided into 3 types, namely :

1. Maintenance type 2. Cleaning type? 3. Power lifting type

Maintenance type and cleaning type can play a role in cleaning carbon deposits, and their fundamental difference lies in the addition of The amount is different;

Maintenance additives are generally less than about 80ml, which can well inhibit the generation of carbon deposits and are suitable for new cars with no carbon deposits or cars with relatively small carbon deposits.

The cleaning type has a larger capacity of about 200-400m. It has a large capacity, so it is suitable for use in cars with 20,000 to 30,000 kilometers. After use, it can effectively remove carbon deposits in the fuel system.

Power-type fuel treasure mainly means that after using the product, the power of the engine will be significantly improved, and it is suitable for old cars that already feel obvious lack of power.

Maintenance-type and cleaning-type ingredients are roughly divided into two categories: PEA? and PIBA. PEA can effectively remove carbon deposits from the combustion chamber of direct injection engines. Since the in-cylinder direct injection system injects gasoline directly into the combustion chamber, the only additive chemical composition that can adapt to this high temperature and high pressure environment and does not produce deposits is PEA ( polyetheramine). The main component of traditional fuel additives is PIBA (polyisobutylene amine). This additive can effectively remove carbon deposits in multi-point EFI vehicles, but its volatility is very poor in the high-temperature and high-pressure environment (combustion chamber) of direct-injection vehicles. , will quickly form deposits, so adding traditional fuel treasure to in-cylinder direct injection models will not only fail to clean the combustion chamber carbon deposits, but will seriously increase the accumulation of carbon deposits. So if you choose products in the future, you must choose those with PIBA ingredients.

Then let’s talk about whether the fuel treasure is useful? I checked some information on the Internet, and finally decided to do a beaker experiment to test whether the fuel treasure can remove carbon deposits.

My experiment today is mainly divided into the following steps

1. Simulate the combustion chamber environment to make carbon deposit samples

2. After making the carbon deposit sample Add gasoline with a mixed proportion of fuel treasure to clean carbon deposits

3. Simulate the combustion chamber environment, heat the mixture to about 300 degrees, and observe the carbon deposit cleaning effect

One week before I was going to do it, I purchased all the instruments that I might use in the experiment from a website.

Fuel Bao has selected 4 popular products on the Internet. Let’s test them this time to see how effective Fuel Bao is?

The first one is American Chevron gasoline additive, the main component is pea, a bottle of 355ml is blended with 50L gasoline;

The second one is Japanese HKS gasoline additive, the main component is pea. It is pea, a bottle of 225ml blended with 50L gasoline;

The third one is a domestic mustard green gasoline additive, the main component is pea, a bottle of 400ml blended with 50L gasoline;

Let’s start next My experiment:

The first step: simulate the combustion chamber environment to create carbon deposits;

First, use a measuring cylinder to hold 20ml of gasoline, and add the gasoline in the measuring cylinder to four beakers. , and label the beakers No. 1, 2, 3, and 4;

Get 4 gasoline samples;?

Next, we will heat the 4 carbon deposit samples. Lichen heater is used, and the temperature of the heating furnace is set to 292 degrees. And use a temperature tester to test the temperature of each point to ensure that the temperatures of the four beakers are similar;

Place the four gasoline samples on the heating furnace for heating;

About 20 After a few minutes, the gasoline in the four beakers was almost burned out, and the smell was very strong. After letting it dry for another half an hour, I finally got a 4-point carbon deposit sample.

?

Step 2: Add a mixed proportion of Fuel Bao’s gasoline to the prepared carbon deposit sample to clean the carbon deposit

Because it is the first time to do a beaker experiment, so The prepared carbon deposit samples are not mature enough. Some friends may ask why 4 carbon deposit samples are made when testing 3 products, because there is another one as a control. Next, use a measuring cylinder to take 50ml of gasoline and add it to each carbon deposit sample, once again getting 4 parts of a mixed liquid of carbon deposits and gasoline;

The next step is the most critical step, which is According to the blending ratio of the three products, add the fuel treasure suitable for the proportion;

Use a pipette gun to suck into the No. 2 beaker, 355UL Chevron Fuel Treasure; first pipette the just used liquid Replace the suction tip of the gun with a new one. To ensure the accuracy of the experiment, continue to add 225ULHKS fuel treasure to beaker No. 3;

Use a pipette gun to absorb 400uL of mustard green fuel treasure liquid and add it to carbon deposit No. 4;

Simulate the combustion chamber environment, heat the mixed liquid to about 300 degrees, and observe the carbon deposit cleaning effect

Set the heating furnace to 300 degrees and heat. In order to avoid burning out, check the effect every 10 minutes;

After getting 4 final samples, there is still some gasoline in it that is not completely Burn it to dryness, and when you finally observe the effect, pour out the waste liquid inside, which will not affect the effect of the experiment. Finally, let’s take a look at the cleaning effect after adding the product. In the beaker without adding any fuel treasure, the carbon deposits were almost not dissolved;

After adding Chevron on No. 2, the carbon deposits were removed to a certain extent. The effect is good, but there is still some carbon residue;

I am looking forward to adding HKS No. 3 beaker, because the official promotion is that it contains 70% PEA. The final result is not satisfactory. Some of the carbon deposits have been removed, but the removal is not very thorough;

Finally, the No. 4 beaker of Mustard Green Fuel Treasure really gave me a big surprise, 3 products Among them, mustard green turned out to be the best at removing carbon deposits. Most of the carbon deposits were removed and the bottom of the cup was relatively clean.

When I saw the final effect, I was a little surprised and a little surprised. The removal effects of the three products are very good. Chevron and HKS are worthy of being big brands, and they are both excellent at removing carbon deposits.

But what surprises me is that compared to the two foreign Internet celebrity fuel treasures, the domestic mustard green is better at removing carbon deposits. The strength of domestic e-commerce brands should not be underestimated! Seeing such a result, I boldly speculated: Could it be that the quality of foreign gasoline is high, so the cleaning effect of the fuel treasure is not too high? Domestic products are even better because they are developed for domestic oil products and road conditions.

Statement

This test aims to simulate as much as possible the ability of each additive to dissolve carbon deposits at high temperatures under feasible experimental conditions. Although this experiment is repeatable, it is different from Taiwan's There is a huge difference between the rack test and the results. The results are for reference only and cannot give a qualitative conclusion. Please understand, fellow riders.

This article comes from the author of Autohome Chejiahao and does not represent the views and positions of Autohome.