How to solve the ignition difficulty of automobile engine?

The reasons for the difficulty in starting, first, the low pressure of the oil pump and the poor atomization of gasoline. It can be tested with an oil pressure gauge, and low oil pressure is generally a problem with the gasoline pump and fuel pressure valve. Make sure that there is a problem with the accessory and replace it with a new one.

Second, the cylinder pressure is low, there is carbon deposition in the combustion chamber, and the low cylinder pressure is due to the poor sealing of the valve or piston ring, which can only be replaced, and the engine needs to be overhauled. There is carbon deposition in the combustion chamber as a bad start for the first time in the morning, because the first spray of oil has made the carbon adsorption, and it will be fine to start again after the engine hits. Third, the water temperature sensor is faulty, the engine computer adjusts the amount of fuel injection according to the temperature information of the water temperature sensor, and the cold car has a high idle speed, although it is a small piece of bad morning, the cold car will not start well.

Fourth, the spark plug and ignition coil can be replaced and eliminated due to the high pressure fire caused by aging after a long period of use.

This condition should be caused by a clogged injector head, and it is estimated that it can be restored to normal operation after cleaning the injector head. Carbon deposits near the intake valves are also a factor. If the carbon deposit is not cleaned, although the sprayed oil can enter, there is some adsorption, which will cause problems such as high fuel consumption and abnormal air intake, which will inevitably affect the working condition of the engine.

Therefore, going to the workshop to clean these parts is the best way to solve the problem.

Common causes of engine starting difficulties:

1. The ignition difficulty caused by carbon deposition in the car is accompanied by slight shaking at idle, cleaning the throttle, cleaning the carbon deposition in the inlet tract, and cleaning the fuel injector can solve the problem.

2. The ignition energy of the spark plug is weak, and some car owners do not replace the spark plug after the maintenance cycle in order to save money, which will lead to a lack of fire when the ignition energy of the spark plug decreases seriously, and the engine of many models is mostly direct injection in the cylinder, so the requirements for the spark plug are higher.

3. The low pressure of the fuel circuit is insufficient, and the insufficient oil pressure of the low-pressure oil circuit directly leads to the secondary ignition of the engine, the specific reason is that the first ignition is not ignited by the low-pressure oil circuit in the establishment of oil pressure, and the second time can catch fire. Specific inspection components: fuel pressure regulator, gasoline pump, gasoline filter and internal piping.

4. The battery is losing power, and the fault phenomenon of the battery is more common, and the first reaction of the owner when the car is generally not hit is that the battery is out of power. The solution is also very simple, you only need to find a car or other battery to take power.

5. The exhaust pipe is blocked, and the situation of exhaust pipe blockage generally rarely occurs, unless it is a coincidence or someone is playing a prank, but this situation is also easier to investigate.

6. The mixture is too thick or too thin, and many car repair masters know a cheat. What happens when the car doesn't hit and the other parts are fine? The master will spray the chemical cleaning to the throttle to hit the car, and the car is easy to get on the car and try it again and again (it is not recommended that the owner operate it himself).

7. The engine timing is not right, the engine timing does not match the engine must not be able to get on the car, and many car engines are in the form of timing belts, and the timing belt itself has no disadvantages, but some models of engines can cause tooth jumping when replacing the generator belt, resulting in no car.

The main problem of the difficulty in starting the car is that the drivers do not maintain the car enough, and the maintenance of the car should be regular and quantitative.

Ask about the battery you just replaced, the spark plug.

The throttle was also cleaned.

Second, spark plug quality.

Third, the water temperature sensor signal is incorrect.

The fourth throttle valve is too dirty, the fifth gasoline pressure is too low, and the sixth exhaust is blocked.

Seventh, the engine has a lot of carbon deposits.

The eighth timing is wrong.

The ninth cylinder is too pressed.

Hello. Ignition difficulties are generally the following reasons.

One is that the engine has carbon deposits, and the other is that there are problems with the water temperature sensor, intake pressure sensor, and spark plug.

First: the pressure difference of the battery, if it exceeds two volts, it is recommended to replace it.

Second: Check the spark plugs. ZD depends on its quality, and it is generally recommended to replace it after 30,000 kilometers.

Third: Check the cleanliness of the throttle. Generally, it is recommended to clean once every 30,000 kilometers for the zipper type, and once for 10,000 kilometers for the electronic type.

Fourth: Check whether the canister solenoid valve is dirty.

Fifth: Replace the gasoline filter, there are separate external can be replaced, and there are also in the mailbox, and the replacement time varies from company to company. It is recommended to replace it once every 15,000.

There are many reasons that affect ignition:

1.Ignition energy is not enough, spark plug or ignition coil failure, spark plug carbon deposit, etcIf the mixture is too thin or too thick, too thin will be accompanied by a tempering air filter with a bumping sound, and if the exhaust is too thick, the spark plug will be seriously decarbonized, and it will be moist and smelly of gasoline.

3.The fuel injection atomization is uneven, remove the fuel injection nozzle and track, and observe the fuel injection situation under starting, whether there is dripping, partial spraying, etc.

4.If the cylinder pressure is insufficient, check the cylinder pressure, generally higher than 9 kg, it is basically fine 5The data of the water temperature sensor is not accurate, and the decoder reads the data stream when the cold car is not started, and the water temperature should be about the same as the air temperature at this time.

6. Timing failure, especially belt timing, may occur with climbing teeth 7After starting, the acceleration power is insufficient, the oil pressure may be low, etc., other questions can be asked.

There are many reasons why the engine is difficult to ignition, such as the mixture is too thin, the ignition of the spark plug is not smooth, the voltage of the high-voltage package is not enough, there is an error in timing, the oil resistance is large, and the cylinder pressure is insufficient.

There may be many reasons, check whether your battery is aging, whether there is a frequent loss of power; Or if it's a spark plug problem, find a professional to help you take a look.

There are several reasons why it is difficult to ignite a car engine:1The ignition system does not ignite, and the ignition timing is inaccurate; 2.

The injector does not work or works poorly, the cold start injector does not inject, the injection pressure is too low, the injector is blocked or leaking, and the injection control signal is poor; 3.The fuel pump is not working; 4.air leakage in the air intake system; 5.

The cylinder pressure is too low, etc.

It may be spark plug carbon deposit, it may also be that the battery is losing power, or the spark plug is worn excessively, no matter what the case is, you should not sit idly by, do not ignore this small problem in order to save a little money, take carbon deposition as an example, carbon accumulation is too much, not only will increase fuel consumption, but also damage the engine and other power system accessories, the exhaust gas will also exceed the standard, the annual inspection can not meet the standard, this loss is very large. The loss of battery power will accelerate the loss of the battery.

The reasons for the difficulty in ignition of the car are as follows:1. The ignition energy of the spark plug is weak, and if the spark plug is not replaced after the maintenance cycle, it will lead to a decrease in the ignition energy of the spark plug and a serious shortage of buckets;

2. The carbon deposit of the car is accompanied by a slight shake when idling, and the throttle, inlet and fuel injector can be cleaned;

3. If the battery is out of power, you can wait for the car to find a car or to charge the battery.

It is difficult for the car to start the ignition of the machine. It may be a spark plug, and the age of use has reached the kilometer before the disturbance. It may also be that the concentration of the mixture is not up to standard. The process of leading to the ignition of the fire is difficult in the middle of the fire.

Engine ignition difficulties are related to many factors, such as spark plugs, ignition coils, fuel system, intake and exhaust systems, and starting systems.

The reasons for the difficulty in ignition of the car are as follows:1. The ignition energy of the spark plug is weak, and if the spark plug is not replaced after the maintenance cycle, it will lead to a serious decrease in the ignition energy of the spark plug;

2. The carbon deposit of the car is accompanied by a slight shake when idling, and the throttle, inlet and fuel injector can be cleaned;

3. If the battery is out of power, you can find a car or battery to take power, etc.

There are many reasons: such as carbon deposition in the automobile engine, weak ignition energy of spark plugs, insufficient low voltage of fuel circuits, and battery power loss, etc., which will lead to difficulties in ignition.

1. The lower the temperature in winter, the greater the viscosity of the oil, the worse the fluidity, and the increase in engine running resistance. Therefore, it is recommended that those who have conditions should change to engine oil with lower viscosity after entering the winter.

Second, the spark plug failure, the vehicle will not ignite, sometimes the start is successful, the problem of the spark plug reduces the power output of the cylinder, there is an obvious frustration when starting, and at the same time, with the intensification of idle shake, the engine acceleration performance decreases, it is likely to be caused by the spark plug.

3. Carbon deposits, exhaust pipes, gasoline pump pressure relief, etc.

1.If there is too much carbon deposit, the carbon deposit will be stored in the combustion chamber, fuel injector, valve and other places, which will not only lead to idle shaking, exhaust gas smell will become larger, but also will lead to ignition difficulties. Therefore, it is also beneficial to properly clean up carbon deposits, which can not only save fuel but also save unnecessary trouble.

2.Pay attention to whether the exhaust pipe is iced.

3.Gasoline pump pressure relief: sometimes the ignition fails, and sometimes the ignition succeeds.

This situation is mostly related to the pressure relief of the gasoline pump, resulting in the difficulty of ignition, and in general, replacing the gasoline pump can solve the problem. Fourth, when winter comes, antifreeze must be checked. If the freezing point is too high, the antifreeze has deteriorated and needs to be replaced.

The blackening of the antifreeze indicates that the antifreeze has deteriorated and a lot of limescale has formed. There is already damage to the pipeline.

It is difficult to ignite the vehicle, and after determining the normal maintenance situation, then this problem usually occurs mainly in 1The battery is aging, resulting in insufficient power, 2Spark plug aging, usually in kilometers, more than 60,000 kilometers, 3The high-voltage coil is aging and the voltage is unstable.

The reasons for the difficulty in ignition of the car are as follows:1. The ignition energy of the spark plug is weak, and if the spark plug is not replaced after the maintenance cycle, it will lead to a serious decrease in the ignition energy of the spark plug;

2. The carbon deposit of the car is accompanied by a slight shake when idling, and the throttle, inlet and fuel injector can be cleaned;

3. If the battery is out of power, you can find a car or battery to take power, etc.

The reasons for the difficulty in ignition of the car are as follows:1. The ignition energy of the spark plug is weak, and if the spark plug is not replaced after the maintenance cycle, it will lead to a serious decrease in the ignition energy of the spark plug;

2. The carbon deposit of the car is accompanied by a slight shake when idling, and the throttle, inlet and fuel injector can be cleaned;

3. If the battery is out of power, you can find a car or battery to take power, etc.

The reasons for the difficulty in ignition of the car are as follows:1. The ignition energy of the spark plug is weak, and if the spark plug is not replaced after the maintenance cycle, it will lead to a serious decrease in the ignition energy of the spark plug;

2. The carbon deposit of the car is accompanied by a slight shake when idling, and the throttle, inlet and fuel injector can be cleaned;

3. If the battery is out of power, you can find a car or battery to take power, etc.