What are the adverse reactions of a clogged fuel injector in a car?

When the fuel injector fails, it will lead to an increase in carbon deposition in the engine, unstable idling, increased fuel consumption, weak acceleration, difficult starting, excessive emissions, etc., and in serious cases, it will cause the fuel injector to be blocked, and then damage the engine.

When encountering a blocked fuel injector, pay attention to the following points;

First, don't coax the throttle with a big foot, especially if the fuel injector is blocked, which will cause the fuel injector to be completely damaged.

Second, the fault light is not good for a long time, and the fault light will be reported after a certain number of times, indicating that the car is not burning well before, which may be oil or oil deterioration and there is no good fuel to burn.

Third, in the case that the oil circuit is not cleaned and improved, cleaning the throttle will lead to increased air intake, thinning of the mixer, and the vehicle will shake at idle, and the throttle will be channeled.

Fourth, repairing a car does not mean that it will be good, and repairing it may aggravate problems in other places. This is normal and requires the use of elimination.

Fifth, in the case of poor combustion, shaking, and scurrying, the first thing to clean the oil circuit is, and not to rush to replace the accessories.

This is very easy to deal with, encounter such a fault code, after the detection, it has been determined that the fuel injector is blocked, then the traditional way is to disassemble the fuel injector to replace, not to mention the replacement of the labor costs, we will say the reason for this, we have to first figure out why it will be blocked, will be after the replacement, to avoid the later blockage, after all, the replacement cost is very high, you replace the plug again, is it to consume a lot of cost.

There are two types of blockage, one is the external blockage caused by ash and carbon deposits on the outside of the fuel injector in the combustion chamber, and the other is the internal blockage caused by the oil in the oil circuit. Both of these blockages can be cleaned and unblocked by PNF-based additives. But be sure to use effective additives.

Don't wait for the car to have a problem before thinking about changing the parts, the cost outweighs the loss.

1. The power will feel weak in acceleration, 2. The engine will start to shake due to the lack of cylinders, and 3. The exhaust pipe will emit black smoke because the fuel is not completely burned.

The car will run out of power and may stall.

The grease nozzle is blocked, which is nothing more than the oil is too inferior. Caused by too many impurities in the oil, the light one will cause the individual injector to be blocked, and the entire oil circuit needs to be replaced in the worst case. So remind you to go to a regular gas station to refuel.

It can't catch fire, the engine won't run, the car won't start.

An injector is a solenoid valve that injects fuel into the engine cylinder, atomizing it for better combustion. The quality of the fuel injector determines the performance of the engine, the common fuel injector failure injector is blocked, the fuel injector is used for a long time or the fuel used is poor, the fuel injector will become dirty and cause blockageWhen the fuel injector is dirty, the car will have the following performance:

1. The engine noise becomes louder, especially at low gear and low speed;

2. The throttle response is not sensitive, the acceleration is not smooth, and there will be a lag phenomenon after stepping on the throttle, and the engine speed will rise slowly when the throttle is stepped on in neutral;

3. Idle shaking, especially when starting, it is easy to shake, and there is a slight lack of cylinder in low-gear and low-speed upshifting.

1. The diesel fuel is not clean, and there are impurities in the high-pressure oil pipe, so that the needle valve parts are not closed strictly, and the high-pressure gas in the combustion room is reversed, and the needle valve parts are burned out. In addition, the dirt on the injector pressure regulating spring, tappet and other parts is moved to the upper part of the injector needle valve through the injector tappet, or the cotton rope and lead wire used to prevent oil leakage on the oil road enter the injector through the high-pressure oil pipe, which will make the needle valve couplet stuck.

2. The machine temperature is too high, and the injector is poorly cooled, resulting in the oil outlet valve being stuck. The engine will overheat due to the late oil supply time, excessive scale or blockage of the cooling water channel, wear of the end face of the water pump impeller, and long-term overload of the engine.

3. The oil outlet valve is worn, so that the injector stops injecting oil when the oil dripping phenomenon, so that the fuel injector burns coke and deposits, and the fault of jamming occurs.

4. When the injector is installed, the leakage of the gasket or the gasket is damaged, resulting in air leakage, causing the local temperature of the injector to be too high and stuck.

5. The fuel injection pressure is too low, resulting in the high-pressure gas in the combustion chamber channeling;

6. Reasons for parts manufacturing, such as the injector mounting hole on the cylinder head and the injector are too tight, the gap between the needle valve body and the mounting hole on the cylinder head is too small, and the mounting hole of the cylinder head injector is too deep.

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After a slight blockage of the fuel injector, it will cause the atomization effect of the fuel injector to be poor. After the fog combustion effect is not good, it will lead to insufficient engine combustion, weak grip speed in the engine noise section, engine shaking, and engine emissions are not up to standard, and there may be engine failure, which will be caused by lights. After a long time, there is a possibility that the three-way catalytic converter will be damaged.

The blockage of the fuel injector affects the power, increases the fuel consumption, and will also shake the misfire and lack of the cylinder, and the increase of carbon deposition will cause vicious problems such as the cylinder burning oil. Don't just use the brigade to clean the throttle stove Zhenyin, it must be cleaned or replaced, it is recommended to clean it first.

The reasons for the blockage are:

If the oil in the tank is dirty or deteriorated, it is not enough to clean the injectors. The direct injection truck is because the combustion chamber has too much carbon to cover the fuel injector. If it's not dirty and not clogged, then it's the oil problem.

There are general fuel additives in the division of the National VI standard, and the fault light can disappear after the fuel tank runs hundreds of kilometers. My car just ran hundreds of kilometers, it must be the additives of the National VI standard, and the others I have tried have no effect.

When the fuel injector is seriously blocked, this phenomenon generally occurs:

Resulting in an increase in fuel consumption and a decrease in engine power

The speed of the slack forest is unstable, the speed of the god is poor and the launch is difficult.

If these symptoms occur, you should go to the repair shop in time to confirm with the electric brain test, and clean the fuel system in time to avoid breakdown.

Either the oil injection atomization is poor, resulting in incomplete combustion.

Engine acceleration is weak.

Either it will cause a lack of fire in a single cylinder or multiple cylinders.

Symptoms of a broken fuel injector:1. Black smoke from the exhaust pipe;

2. The work of each cylinder is uneven, and the engine produces obvious vibration;

3. The engine power decreases;

4. The vehicle is weak.

When the solenoid coil is energized, the suction is generated, the needle valve is sucked up, the nozzle hole is opened, and the fuel is sprayed out at high speed through the annular gap between the shaft needle and the nozzle hole at the head of the needle valve, forming a mist shape, which is conducive to full combustion.

The main reasons for the failure are fuel and filter problems, such as burning inferior diesel fuel, and the filter element is not cleaned or replaced for a long time. It is recommended to use fuel that meets the standards and clean the fuel filter regularly to prevent excessive oil impurities from clogging the fuel injectors. It is necessary to clean the injectors regularly with fuel additives.

When the solenoid coil is energized, the suction is generated, the needle valve is sucked up, the nozzle hole is opened, and the fuel is sprayed out at high speed through the annular gap between the shaft needle and the nozzle hole at the head of the needle valve, forming a mist shape, which is conducive to full combustion. Once the fuel injector is blocked or broken, there will be a poor working or lack of cylinder in the engine, which will lead to engine idling and shaking, weak driving acceleration and insufficient power.

Hello, the plugging of the fuel injector of the car will lead to poor atomization of the fuel injection and cause incomplete combustion, weak engine acceleration, and will also cause a lack of fire in a single or multiple cylinders.

The fuel injector is one of the key components of the EFI engine, and the working condition will directly affect the performance of the engine. A clogged fuel injector can seriously affect the performance of the car.

The quality of the fuel injector plays a fundamental role in the power play of each engine. Poor fuel will lead to ineffective injectors, serious carbon deposition in the cylinder, accelerated wear of cylinder barrel and piston rings, resulting in unstable idling, increased fuel consumption, weak acceleration, difficult start-up and excessive emissions; In serious cases, it will completely block the fuel injector and damage the engine. Therefore, it is necessary to clean the fuel injector regularly, and not cleaning the nozzle for a long time or cleaning the nozzle frequently will cause bad effects.

When the fuel injector is slightly blocked, it also has a certain impact on the condition of the vehicle. Sometimes there will be such a fault: hang a gear, start, the car is a little shaky, and when the high gear accelerates, such a phenomenon disappears, if the various sensors on the car work normally, the throttle body has also been cleaned, and the circuit is normal, it is likely that the fuel injector is slightly blocked.

However, when accelerating in high gear, there is a possibility that the slight gum will be sprayed away (dissolved) again, and the performance of the car will be restored. Such a slight blockage of the injector is generally not necessary to be cleaned. Because the slight gum can be dissolved.

Therefore, running at high speed can reduce the formation of carbon deposits. If the fuel injector is not cleaned for a long time, this blockage will become more and more serious, which will cause poor engine injection, poor injection angle and atomization, resulting in poor engine idling, acceleration or full load working conditions, making the engine power decrease, fuel consumption rises, emission pollution increases, and even the engine cannot work. Therefore, the injector should be cleaned regularly and carefully to ensure that it is working well.

Either the oil injection atomization is poor, resulting in incomplete combustion.

Engine acceleration is weak.

Either it will cause a lack of fire in a single cylinder or multiple cylinders.

Tomato Says Car: Do you know what faults the car will be caused by more carbon deposits on the fuel injector?

When the fuel injector is slightly blocked, the vehicle will shake when starting in low gear. When accelerating in high gear, the phenomenon disappears. When the fuel injector is clogged, the engine power decreases, fuel consumption rises, the emission of pollutants increases, and even the engine cannot work.

The following are the faults that will occur when the fuel injector is blocked: 1. Hang a gear, start, the car is a little shaky, and when you are hooked into a high gear to accelerate, this phenomenon disappears, if the various sensors on the car work normally, the throttle body has also been cleaned, and the circuit is normal, it is likely that the fuel injector is slightly blocked; 2. When accelerating at the high gear level, it is possible that the slight gum will be sprayed away (dissolved), and the performance of the car will be restored. Such a slight blockage of the injector is generally not necessary to be cleaned.

Because the slight gum can be dissolved. Therefore, usually running a branch of tremor fluid at high speed can reduce the formation of carbon deposits; 3. If the fuel injector is not cleaned for a long time, the blockage will become more and more serious, which will cause poor engine fuel injection, poor fuel injection angle and atomization, resulting in poor engine idling, acceleration or full load working conditions, which will reduce engine power, increase fuel consumption, increase emission pollution, and even make the engine unable to work. Therefore, the injector should be cleaned and tested regularly to ensure that it is working well.