Jiang Zhan Land Breeze x82 5 The water temperature is so high that it is difficult to fire in the mo

Here's why: the cooling fan doesn't turn. The cooling fan may be controlled by a thermostat switch; It may also be controlled by a water temperature sensor.

Insufficient cooling medium. Antifreeze: High-end cars are required to be filled with antifreeze all year round; Water or distilled water: temporary substitute; The water tank cover is leaking.

The thermostat is damaged. If you want to remove the thermostat, you should plug the small circulation at this time, so as to ensure that all the coolant is dissipated by the water tank; When installing a new thermostat, you should pay attention to the water hole, such as Santana does not have a water hole, at this time, a 6mm drill bit should be used to drill a hole. One function is to be used as a marker; Another function is that during the heating process of the car, the temperature difference between the two sides of the thermostat is generated, so that the thermostat is accurately opened with the water temperature.

The water tank is clogged. External blockages should be removed with water or gas; Internal blockages affect coolant circulation and create pressure, which can result in two outcomes, one is a leaking water tank or the other is a particularly high water temperature at high speeds.

Pump failure. The impeller slips or gets stuck, causing the timing belt to break; The impeller is deformed.

Cylinder corrosion. The combustion chamber and the waterway are flushed, and at this time, the water will be drained from the drain pipe or white smoke will be discharged, resulting in a frequent shortage of water in the water tank; The waterway and the oil channel are flushed (the oil is white when there is water); The waterway and the waterway are rushed, resulting in poor heat dissipation of the cylinder block, especially at high speed; Blocked waterways.

Incorrect ignition timing (corrected with timing lamp) and excessive oil pressure.

Hello: Regarding the question you consulted, for this fault phenomenon, focus on checking the water temperature sensor, ignition coil these components, the sensor signal is inaccurate, and the ignition performance will decline will lead to the vehicle stalling, this kind of fault is more common, if it can help you, I hope to set the best, thank you.

We recommend that you perform the following steps for troubleshooting and troubleshooting:

1. Determine whether the anti-theft system is locked;

2. Determine whether the starting system is working (whether the starter is running);

The starting system is normal, check whether the ignition system is normal;

The starting system is abnormal, rotates slowly, check the battery voltage, whether the starter is faulty, and whether the engine resistance is too large; If the starter is not running, check the circuit and solenoid switch of the starter.

The ignition system is normal, check whether the fuel supply system is normal.

If the ignition system is abnormal, check the circuit of the ignition system, check whether the crankshaft position sensor and camshaft position sensor are normal, and check the power supply and grounding of the ECU.

It should be that the line tie is bad, and it is recommended to check the line tie point.

It is difficult to start a car when it is cold, and the water temperature sensor is one of the reasons.

The inspection items such as failure to start, unstable idling, high and low speed, abnormal oil supply and other inspection items are as follows:

1. The battery voltage of the car is low; Specific detection method: test the battery voltage with a three-purpose meter voltage level, if it is below 10V, it is recommended to replace it. If it is around 11V, it is barely used; Be prepared for replacement. It can be used above 12V;

2. Check whether it is caused by carbon deposits; If you travel about 20,000 km, focus on checking and cleaning the throttle;

3. Inspect, test and replace spark plugs;

4. Confirm the quality of the gasoline added;

5. Detecting the ignition switch;

6. Test and detect the starter, gasoline pump, sensor and other related components of the starting and oil supply system;

7. After powering on, do not start immediately, wait for 30 seconds to 1 minute, and then ignite; See if it works; Regardless of any of the above situations, pay attention to the time when the car cannot be hit once, be sure to play again after an interval of 15-30 seconds to protect the battery but not generate power and prolong its service life.

Hello, the car is difficult to start cold, if the water temperature sensor is damaged of course it will affect the start. I hope my answer helps! Have fun with a car! [Car questions, ask the car master.] 4S shop professional technician, 10 minutes to solve. 】

Hello, there is a direct relationship, if the signal transmitted by the water temperature sensor to the computer is not correct, the computer's control of the water temperature is below zero, resulting in it is difficult to start. Even if it starts, the fan can't turn up, it's easy to get high temperatures, because the computer shows that it's below zero, so the fan won't turn, I hope it can help you, I wish you a happy life [Car questions, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

Hello The water temperature sensor is an important element to determine whether the vehicle is in a hot state or a cool car state [Car questions, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

Hello, cold start to see the water temperature, if the water temperature is not accurate, for example, the water temperature is now 40, but now the actual temperature is 10, and then the computer according to 40 began to inject oil, 40 spray of oil can not reach, the mixture is thin, it is not good to start. Unplug the water temperature sensor and the computer will inject fuel according to the temperature you set. [Car questions, ask the car master.]

4S shop professional technician, 10 minutes to solve. 】

Hello, the cold start is related to the water temperature sensor, because the mixture is relatively strong when the car is cold, so that the water temperature can come up quickly! If the water temperature induction is broken, the computer will not be in a good state for the fuel injection, resulting in the mixture being too thick or too Xi, so it is not good to ignite! I hope it can help you [car questions, ask the car master.

4S shop professional technician, 10 minutes to solve. 】

There is a relationship with direct control of water temperature Idle speed If the idle speed is too low, it is not good to catch fire.

Hello, the water temperature sensor signal is different, and the fuel injection amount of the fuel injector is different, which has a great relationship. [Car questions, ask the car master.] 4S shop professional technician, 10 minutes to solve. 】

Yes, with relational ......[Car questions, ask the car master.] 4S shop professional technician, 10 minutes to solve. 】

If there is no shortage of water, the thermostat is turned on late to change the temperature to a low point.

Change the thermostat and heat it with water to see how many degrees it opens

It's a good idea to read the data stream and compare it. There may be an issue with the dashboard pointers. Hope.

Whether the thermostat is broken, or the pump is broken, and the water channel is blocked.

Hello, this is a problem with the heat dissipation system, check whether the electronic fan turns left normally, whether the water tank circulates normally, whether the water pump and thermostat are working normally, if there is a problem, you can repair it, I hope it can help you, I wish you a happy life! [If you have a problem with the car, ask the car master.] 4S shop professional technician, 10 minutes to solve. 】

1. 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. 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, check whether the oil label is incorrect.

3. After a few years of use, the spark plug is easy to cause problems such as carbon deposition, leakage, excessive gap, and ablation, which will cause difficulties in the ignition of the car, and it is very difficult to start the cold start or even the hot engine, and it is often necessary to ignite 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.

Wengo 14 2011-01-04

One of the most common reasons why a cold car is difficult to start in the morning is a faulty fuel injector. As the weather gradually gets colder, customers often mention that it is difficult to start the cold car in the morning, and it is necessary to fire several times in a row, even if the engine idles after starting, it will be unstable, shaking or even stalling. The most common fault in daily maintenance work is that the fuel injector of the engine is too dirty, causing blockage or stuck, resulting in too thin mixture during cold start.

At present, in the electronically controlled fuel injection series, a fuel injector is installed in front of the intake valve of each cylinder of the engine, and the basic fuel injection volume of the fuel injector is centrally controlled by the engine computer according to different working conditions of the engine, and the failure of the fuel injector is roughly in two aspects: on the one hand, the fuel inlet filter of the fuel injector is blocked by the tiny substance precipitated in the gasoline for a long time, and the viscosity of the gasoline is large and the fluidity is poor when the car is cold, resulting in the gasoline can not flow smoothly through the fuel injector, resulting in insufficient gasoline injection. On the other hand, the carbon deposition at the head of the fuel injector causes the needle valve to be stuck, and the needle valve cannot be opened or the needle valve opening stroke is not enough when the fuel injector coil is energized, and the nozzle area of the fuel injector becomes smaller, resulting in a smaller gasoline injection volume or poor atomization.

Most of the fuel injector faults are reflected in the cold car, especially in winter, the lower the temperature of the engine when the cold car starts, the greater the amount of gasoline injection required, which is mainly because the gasoline vaporization at the intake valve and cylinder inner wall is poor when the engine starts at low temperature, and some gasoline can not be fully volatilized and combusted, causing the mixture in the cylinder to be too thin, resulting in the difficulty of cold start of the engine, unstable idle speed and stalling, and the fault phenomenon disappears after the engine is warmed up.

According to the appropriate maintenance interval, do some routine maintenance for the engine fuel system according to the standard to avoid the blockage of the fuel injector, such as replacing the gasoline filter every 25,000 km to 30,000 km according to the maintenance interval, if it is found that there is too much dirt in the filter during the replacement process, you can consider cleaning the gasoline tank. Secondly, choose regular gas stations to refuel, so that the viscosity and quality of gasoline are relatively guaranteed. Once the injector is blocked, the conventional method of elimination is to disassemble and install the injector on the injector tester for dynamic cleaning, although the injector will be removed and cleaned in a larger amount of work, but the cleaning effect is more thorough.

The reasons are as follows:

1. The power storage capacity of the DU battery decreases. The use of DAO on the car is generally lead-acid format start-up valve authority.

Control batteries are sensitive to temperature, especially old and inferior batteries. The starting motors of large-displacement locomotives are all in the kilowatt level, and the instantaneous current at the beginning of the start should be more than 100 amperes, and the power consumption is huge, and the voltage drop of the battery with poor performance is very serious. The transistors on the igniter cannot generate enough primary voltage to supply the ignition coil, and the spark plug does not have a strong ability to jump over, which of course makes it difficult to start.

Suggested action: Try borrowing a car battery with the same nominal voltage.

2. Poor oil performance or incorrect selection. If the viscosity of the engine oil increases more in winter, the internal resistance of the engine will also increase. The car generally needs the crankshaft to reach a speed of 200rpm to start, the power of the starting motor is so large, and the resistance is too high to reach the required speed.

Moreover, the induced voltage of the trigger coil of the non-contact trigger engine did not meet the requirements, and the igniter had no signal and could not ignite. Suggested measures: press 1:with kerosene and engine oil

Try to mix the ratio of 1, and then take a tachometer to measure it. (Note: If you can get up, don't let the rpm exceed 2500rpm and the time should not exceed 3 minutes).

The main reason is probably because:

It is caused by excessive carbon deposits in the idle motor, intake tract, intake valve and combustion chamber. Because of the excessive carbon deposit and dirt in the inlet duct, the cross-sectional area of the air passage changes, resulting in the mixture being too thick or too thin, so that the combustion is abnormal or the engine shakes or even cannot start after starting. Or because there is a problem with the fuel injector, there is leakage or too much carbon, resulting in the mixture being too thin during start-up, which makes it difficult to start.

In addition, if the canister or canister solenoid valve fails, it will also cause it to be difficult to start.

The main reason is that the oil has not been changed for too long, and of course, the oil circuit and throttle have not been cleaned for too long is also one of the reasons.

What kind of car is it? Give it a try with a different water temperature sensor.

Just overhauled and generally won't have any problems.

Start by changing the water temperature sensor.

1.The oil circuit is not sealed, resulting in air in the pipeline part. 2.The cylinder compression pressure is low due to cylinder wear or valve leakage.

If everything else is normal except for the start-up problem, then you check the water temperature sensor and the one-way valve of the oil pump to see if there is too much oil, whether the air intake system is leaking, and the oil pressure is not in the normal value class.

The reasons for the difficulty of cold start of the car are: the engine DU temperature is too low, the engine is too carbon, and the spark is DAO

Plug aging and. The version of the water temperature sensor does not work properly, etc.

The temperature of the car engine is too low, indicating that the temperature inside the engine is not enough, the internal oil and lubricating oil have not reached the optimal lubrication state, and the ignition ability of the engine is reduced at low temperatures, which leads to difficulty in starting the engine.

If the car is not cleaned up in time for a long time, the engine is more likely to produce carbon deposits, and the carbon deposits produced are easy to block the exhaust pipe, and at the same time, it will also absorb fuel, resulting in reduced engine work efficiency, assuming that the fuel injection volume of the driving computer is 100%, but the actual working fuel is only 90%, which means that the remaining 10% of the carbon deposits generated are absorbed, so the engine will have difficulty starting, in order for our car engine to work better, it is recommended to pay more attention to maintenance, Clean up engine carbon deposits regularly.

1. Too much carbon deposits inside the throttle or engine.

2. After the failure of the oxygen sensor, the mixture is out of balance. If you drive at a low speed in the city area for a long time, this phenomenon is easy to occur.

3. The phenomenon of leakage of the fuel injector leads to the fact that the fuel injector is still in the state of oil supply after the throttle is collected, resulting in the mixture being too thick when driving at low speed, resulting in unstable idle speed after the fuel injector. If it is severe, it will be turned off directly.