What to do if it is difficult to ignite the car in winter, and what to do if it is difficult to igni

1. The battery power is insufficient in winter, the temperature is low, the battery charging and discharging capacity is greatly reduced, when the temperature is too low, the current released by the battery cannot reach the power consumption of the starter, and the starter will have a weak start, which will lead to a decrease in speed and can not quickly drive the piston to run, resulting in a decrease in the pressure in the cylinder, and at the same time, ignition and oil supply can not be well coordinated, resulting in difficulty in starting.

Solution: If the battery is insufficient, you should call the rescue** or find another vehicle for help, and start the vehicle with electricity. Charge or replace the battery afterwards. If you can't park it for a long time, you should drive the vehicle out for a spin every 2 weeks to effectively replenish the battery power.

2. Poor fluidity of engine oil.

In the winter when the temperature is particularly low, the viscosity of the oil will increase, and the fluidity will deteriorate, which will increase the resistance of the engine, making it difficult to start the car cold.

Solution: Since 90% of engine wear occurs at low temperature and cold start, so in winter, you should replace the engine oil with good low temperature fluidity according to your own vehicle maintenance manual and local temperature, which can reduce engine starting resistance and reduce engine cold start wear.

3. The exhaust pipe is frozen.

The freezing of the exhaust pipe is easy to occur in the car that is not often driven and runs short distances, and after driving for a short period of time, the water vapor generated by the combustion of the engine freezes in the exhaust pipe, and the short-distance driving is not enough to melt the frozen water vapor, resulting in the exhaust pipe freezing, and eventually leads to the exhaust is not smooth, resulting in difficulty in starting.

How to deal with it: In this case, you need to use professional tools to remove the ice in the exhaust pipe, and after the car can start, let the car run at high speed to completely complete the ice in the exhaust pipe.

4. The temperature sensor is out of order.

In the case of low temperatures in winter, if the residual moisture in the coolant is trapped in the sensor probe for a long time, the oil temperature and pressure sensor will malfunction or the intake air temperature sensor will fail, causing the car to start difficult.

Solution: The sensor is an electronic component on the automotive circuit, if the device is broken, there is not much room for repair but to replace, it is recommended to go to a professional 4S shop for replacement.

5. Spark plug aging.

The spark plug is an important element in the engine ignition system, due to the low voltage of the battery terminal caused by low temperature, the spark of the spark plug is weak, and the density of the mixture increases the resistance between the electrodes, which is difficult to ignite the mixture, and it is easy to make it difficult to start the engine.

Coping method: The difficulty of starting the car caused by the aging of the spark plug can generally be realized after repeated ignition, but you need to have enough patience, and it is recommended that you replace the spark plug in time. The life of resistance spark plugs is 20,000 km, platinum spark plugs are 40,000 km, and iridium spark plugs are 6 to 80,000 km.

The above are the important reasons for the difficulty of starting the vehicle in winter, in fact, these are very related to the daily maintenance and use of the vehicle by the owner, so the owners need to spend more effort on the daily maintenance of the vehicle, so that the car can always be rejuvenated.

What is the reason for the difficulty in starting the car in winter? Both new and experienced drivers need to know.

It is best to have a battery connection wire or pneumatic device for the vehicle, and it can save itself if necessary. For diesel vehicles, the choice of fuel is also very particular, and we should choose the appropriate fuel according to the actual local temperature.

For the vehicle that is difficult to start in the year, we can try to step on the accelerator when twisting the key, which can help the vehicle start to a certain extent, and the automatic transmission vehicle to see if the gear is hung in the P gear, if it is not hung in the P gear, the vehicle is unable to ignite, the diesel car needs to use the preheating system to start the engine in winter, twist the key to the energized position, and the car can be used normally after the preheating light on the dashboard is extinguished.

Car maintenance precautions.

Ignition system maintenance: This is related to whether the vehicle can be started or not. Therefore, the plug parts should be carefully inspected for rust. Once rusted, it must be treated with a specialist cleaner. In addition, the maintenance of spark plugs should not be taken lightly.

Charging system: It should be important to check whether the generator belt has aged or cracked after being hit by rain and high temperatures. If the above does not happen, the tightness of the belt should also be checked.

If the belt is too loose, it will cause belt noise and make the belt wear out in advance; If the belt is too tight, it will lead to eccentric wear of the generator bearings.

1. Check the battery status.

The difficulty of starting a car in winter is mostly due to the loss of the battery or the failure of the battery. When the battery is low, the speed of the starter car is weak, and only a clicking sound can be heard, and then the clicking sound will gradually turn into a blister. Do not ignite continuously to avoid draining the battery.

Do not park the vehicle for a long time in winter, and generally the park will drive the vehicle out once a week to allow the battery to be effectively replenished.

The nominal service life of the battery is generally 2 3 years, and the maintenance-free battery must be replaced in 2 3 years; And the rechargeable water battery can even be used for 6 7 years when it is well maintained, check the electrolyte capacity of the rechargeable water battery frequently, if the battery is not leaking but the electrolyte is in short supply, please replenish the distilled water in time.

2 Change the appropriate oil.

In winter, as the temperature decreases, the viscosity of the oil increases, making it difficult for the oil to flow, which increases the resistance of the engine. If there is a problem with starting, check to see if the wrong oil mark is being used.

Oil labels include grading and viscosity specifications. At present, most of the engine oils on the market use viscosity grades such as SAE, which is the abbreviation of the English "Society of Automotive Engineers".

For example, in 5W 40, W stands for Winter and refers to the low temperature viscosity grade of the oil. The lower the number in front of it, the better the fluidity of the oil at low temperatures.

This means that the lower the ambient temperature that can be used, the more protective the engine will be in cold starts. - The following number shows the high temperature viscosity grade of the lubricant. The higher the value, the greater the viscosity and the higher the applicable maximum temperature.

3. Replace the spark plug in time.

After several years of use, spark plugs are likely to cause problems such as carbon deposition, leakage, excessive gaps, and ablation, making it difficult for the car to start, cold start, or even hot engine start, which often requires multiple ignitions.

Therefore, when driving to a certain mileage or feeling that the vehicle is difficult to start, driving weakly, shaking, increasing fuel consumption or stalling for unknown reasons, please check the spark plug status and replace it in time.

<> "Engine Oil Problem: If the engine oil model we Jingling chooses has poor low temperature fluidity, then there may be a situation where it cannot be ignited; In this case, we can first sprinkle hot water on the oil pan of the car and melt the engine oil first.

The battery is out of power: The battery on the car is likely to lose power when the temperature is low in winter; If we can't start the car, we need to charge the battery, which can be charged with a charger, or if we're on the road, we can also use a live wire to charge it.

Ignition system failure: the ignition system is directly related to whether the car is successfully started, if the ignition coil of the car or the car spark plug has problems or aging, it will lead to the car ignition is more difficult, hail stool we need to go to the repair shop or 4S shop to replace or repair parts.

The solution to the difficulty of igniting the car in winter: replace the battery, change the gasoline, and clean the fuel injector.

1. Replace the battery

The difficulty of ignition may be that there is a problem with the battery, especially when the temperature is relatively low, the power consumption of the car will be several times that of other seasons, and the life of each battery is about 2 or 3 years.

2. Change gasoline

Switch to gasoline with a lower viscosity. Because the fluidity of gasoline with high viscosity will decrease in winter, which will lead to an increase in engine resistance and make it difficult for the car to start cold, at this time, the car mainly chooses gasoline suitable for winter, such as 5w or 0w.

3. Clean the fuel injector

Clean the injector in a timely manner. In the process of driving, a lot of dust will enter the fuel injector and adhere to its surface, affecting the normal operation of the fuel injector, resulting in poor atomization of gasoline and delayed ignition, making it difficult for the car to ignite. The owner should clean the gum on the surface of the fuel injector every once in a while to avoid clogging.

Gasoline

Gasoline is a volatile and flammable hydrocarbon mixture liquid that is fractionated and cracked from petroleum, and can be used as fuel. The appearance is a transparent liquid, flammable, with a distillation range of 30 to 220, and the main components are C5 C12 aliphatic hydrocarbons and naphthenic hydrocarbons, as well as a certain amount of aromatic hydrocarbons.

Gasoline has a high octane number (anti-knock combustion performance), and according to the octane number is divided into 89, 90, 92, 93, 95, 97, 98 and other grades, from January 2012, gasoline grades 90, 93, 97 revised to 89, 92, 95.

The first is the problem of carbon deposition, the generation of carbon deposition is inevitable, there are oil reasons, and there are also carbon deposition caused by burning engine oil; If too much carbon accumulation in the throttle valve and other parts is excessive, it will affect the air intake, resulting in insufficient gasoline burning, and it will be difficult to start. The solution is to use professional carbon deposition additives or go to a 4S store to carry out professional carbon dedeposit burial operations.

The second is the poor fluidity of the engine oil, cold weather, it can be said that the engine oil is frozen, and the freezing here is not really frozen; It's just that the viscosity of the oil will become larger and the fluidity will be poorer. If it doesn't flow as smoothly as before, the resistance of the engine will increase! The colder the weather, the more obvious this phenomenon becomes!

In previous years, cars were common in the north, but in recent years, with the use of all-season universal high-quality engine oil, how much has the situation improved! The solution is to use high-quality all-season motor oil.

The third is the power of the battery, the lack of power of the battery is the main cause of the difficulty of ignition in winter; So why is the Zen liquid in the battery insufficient? The reason is that the irregular use of various electrical equipment in the car in winter causes power loss; You can use the device to check the battery level, and if it is insufficient, it needs to be charged or recharged. If your car's battery has run out of power more than twice, it's best to replace it!

The reasons for the difficulty of automobile ignition are: 1. The ignition energy of the spark plug is weak, 2. The car has carbon deposits, 3. The battery loses power, 4. The exhaust pipe is blocked, 5. The low pressure of the fuel circuit is insufficient, and 6. The engine timing is wrong. Damage to the ignition coil will also cause the engine to fail to ignite or be difficult to ignite, and it needs to be replaced in time.

The solution to the car electronic ignition is as follows:

1. Check the status of the battery, most of the difficulties in starting the car in winter are caused by the loss of battery power or the expiration of the battery service life. When the battery is low, the speed is weak when starting the car, and only the clicking sound is heard, and the clicking sound will gradually become a clicking sound when the ignition is lit again. Do not ignite continuously to avoid the battery running out;

2. Change the appropriate engine oil, in winter, as the temperature decreases, the viscosity of the engine oil will increase, and the oil flow will be difficult, so that the engine resistance will increase. If it is difficult to start, please check whether the oil label is incorrect;

3. Replace the spark plug in time, the spark plug is easy to cause carbon deposition, leakage, excessive gap, ablation and other problems after a few years of use, which will cause difficulties in car ignition, cold start, and even hot engine start, and often need to be ignited many times. Therefore, when driving to a certain number of kilometers or feeling that the vehicle is difficult to start, weak, shaking, increasing fuel consumption, or inexplicably stalling, please check the spark plug status and replace it in time.