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Contents of this articleOverview:

• 1, After replacing the battery, the engine fault light is on
• 2, Is the battery negative pole useful on the engine
• 3 、Notes for car maintenance after rain: Check the engine battery more
• 4,HS code-based negotiation with customs Help the battery start What is the engine
• 5, detailed explanation of car battery maintenance knowledge

Replacement After the battery, the engine fault light is on

1. After replacing the battery, the vehicle cannot be started when the light is on. Poor combustion state: The poor combustion state of the engine is the main reason why the engine fault light turns on. Due to the inaccurate cooperation between various parts of the engine, the combustion state of the engine is not good, causing the engine indicator light to turn on.

2. It is estimated that this cannot be removed manually, and it needs to be eliminated with a special computer. You can go to the repair shop and ask the master to test it. By the way, let's see what the fault code is.

3. Generally, this situation is caused by power failure and replacement of the battery. Power failure replacement will cause the driving data in the driving computer to be emptied, including some system correction data such as the opening degree of the throttle valve and the injection volume of the fuel injector.

4. The situation caused by the failure of the car battery charging controller. The solution is: If the battery charging controller fails, you need to go to the 4S store or repair shop of the car to repair or replace the battery charging controller in time to solve the battery failure.

5. After replacing the battery, the engine fault light is on. Who has encountered it? What's going on? Help!! Yes, it's okay now. Press the clutch key to 2nd gear, then step on the accelerator, turn it off after 15 seconds, and then start it to solve the problem! Changing the battery is generally constantly replaced, which is common sense.

6. What's wrong with the fault light after replacing the battery of the car?The situation caused by the failure of the charging controller of the car battery.

Is the battery negative connection useful on the engine

Yes, many cars do this. Generally, one line comes out of the negative pole and is connected to the car body and then connected to the engine, and the two lines are one to the body and the other to the engine.

It is best to disconnect the positive pole of the car battery when charging it with an external charger. The positive pole of the charger is connected to the positive pole of the battery, and the negative pole is connected to the negative pole of the battery (it can also be connected to the body engine, the negative pole of the battery and the frame, and the engine are all connected to each other, and the body/engine is self-ironing.

Of course, the battery cathode wire is started after several twists and turns.On the machine, first connect to the car body, and then connect to the engine. The negative pole of the battery comes out with two wires at the same time, one connected to the car body and the other connected to the engine, so that there will be no problem of iron virtual connection.

Notes for car maintenance after rain: check the engine battery more

1. Check whether the oil is watered. Once the oil enters, it will cause oil deterioration, lose lubrication, and cause excessive wear of the engine. Don't forget to check the driving computer. The automatic transmission car should check whether the automatic transmission and the transmission control computer are flooded.

2. First of all, remove the negative electrode wire of the battery as soon as possible to avoid short circuit of various electrical appliances in the car due to water intake. After the car comes out of the water, the engine should be checked: first check whether there is water in the engine cylinder. If the water enters, the connecting rod will be bent and the engine will be damaged.

3. Notes on car maintenance after rain: check the engine battery more often, replace the oil and air filter. After the rainstorm, several things should be replaced: oil and oil filter, air filter, air conditioner filter. Oil and oil filters are likely to be invaded by rainwater during heavy rain, causing damage to the lubrication system, so it is best to replace them in time.

What is helping the battery start the engine

No matter how it starts, the way it wants to achieve is to make the engine speed reach about 1500rpm. Only in this way can the engine really start. After the engine is started, there is no need to consider the speed, because the fuel has begun to be consumed at this time, and heat, electricity and mechanical energy can be continuously output.

When the speed reaches a certain level, release the clutch in a hurry to make the car achieve the function of a traction engine in the third gear. In this way, it is possible to set fire without power, but very few people can make a public welfare class at once, and they can succeed in three or four times.

Batteries can provide electricity for vehicles and store electricity. Its main functions include: when the engine starts or runs at low speed, because the car generator does not generate electricity or the voltage is very low, the electronic system in the car is all provided by the battery.

Motor and ignition switch. Under severe cold and low temperatures, the engine start-up period can be shortened and the service life of the battery can be extended. When the engine is difficult to start in winter, it can be sprayed into the cylinder to help start. Instructions for use After removeing the plastic cover, aim at the intake pipe of the air filter, press the nozzle to spray for about 1 to 3 seconds, and then start it.

The function of the starter is to use the power of the battery to make the starter run. The starter drives the crankshaft to rotate while running. The camshaft rotates through the rotation of the crankshaft. The camshaft rotates to drive the piston and valve to realize the working cycle of engine intake, compression, work and exhaust.

The battery cable connecting the negative pole of the rescue vehicle is connected to the faulty vehicle, not the negative pole, but the metal part. The explosive gas that prevents the battery from escaping is ignited by the sparks generated when the car lands. After the faulty car starts successfully, maintain a high idling speed for about 5 minutes, and then pick up the ride line.

Automobile electricity Detailed explanation of bottle maintenance knowledge

1. Regularly maintain the magic eye and maintain sufficient power, because the maintenance-free battery does not have water injection holes and liquid scales. We need to pass &ldquo on the battery. Magic Eye & Others; Judge the status of the battery. The magic eye is green, indicating that the battery is normal and fully charged; the magic eye is black and charging; the magic eye is white, indicating that the battery needs to be replaced.

2. Teach you a few tips on battery maintenance. First, when buying a battery, first identify the letters on the battery. Any one with the letter QA is a dry battery.When adding electrolyte, shake the electrolyte well before adding it to the battery, and be careful not to splash the electrolyte on your hands and clothes.

3. Regularly check whether the exhaust hole of the battery is ventilated. If blockage is found, it should be cleaned up in time. Otherwise, the exhaust hole will be blocked, and the hydrogen and oxygen produced will not be discharged. When the electrolyte expands, it will break the battery shell, affecting the service life of the battery.

4. Car maintenance knowledge, how to remove odors in the car. In life, many car owners have encountered that the car suddenly can't start. In this situation, they are very anxious. The first impression is that the car is broken. Find a professional to identify it, which is a problem with the battery. It's okay to change the battery problem, but what I'm most afraid of is that it can't be ignited halfway, and it will be troublesome when it encounters an emergency.

5. Storage batteries are important electrical equipment of automobiles, and their performance directly affects whether the vehicle can operate normally. Therefore, in the daily transportation, storage, replacement and other processes, correct maintenance and use methods should be adopted.