Difficult to start at low temperature
I got up in the morning, plugged in the key, and suddenly found that my car could not catch fire and could not start. I believe many riders have encountered this situation in winter. This is the difficulty of starting cold cars in winter.
The main reasons for this phenomenon are the following:
The first is the lack of battery power. Since the power consumption of car batteries in winter is significantly higher than in other seasons, and the capacity of the battery will also be reduced in a low temperature environment, it will cause battery power shortage. In this case, you need to go to the franchise store in time Charge the battery or replace it with a new battery.
Secondly, the flow of oil is blocked. This situation is more obvious in the north where the temperature is reduced. At low temperatures, the viscosity of the oil will also increase, and the fluidity will be reduced, which will increase the engine running resistance and make the engine cold start difficult. This requires the car to be placed in a warm environment and can be started normally after a period of time, but if it is to be completely resolved, it is necessary to carry out winter maintenance in time and replace the oil suitable for winter use.
In addition, the freezing of the exhaust pipe or the carbon deposits of the valves will make the engine start difficult. The freezing of the exhaust pipe is mainly due to the low frequency of use of the car in winter. The water vapor generated after the engine is burned is frozen in a certain part of the exhaust pipe, and short-term Driving can't melt these ices, and it will affect the start and exhaust of the car over time. In fact, as long as the owner runs a high speed once and keeps the engine running at a high speed, the strong exhaust force will quickly drain the water accumulated in the exhaust pipe. The valve carbon deposits are caused by insufficient combustion of gasoline in the combustion chamber. These gel-like substances adhere to the throttle valve to block the throttle valve. Therefore, it is recommended that riders clean the electronic throttle valve regularly to avoid car carbon deposits. Adverse effects.
Low temperature cold start idle jitter
When the engine starts at a low temperature, jitter will occur, and the root cause of this situation is insufficient combustion in the cylinder. The reasons are as follows:
The mixing ratio is inappropriate. Mainly due to the insufficient atomization of gasoline, it caused problems in the combustion of gasoline in the cylinder. It is recommended that after the car is powered on, wait two or three seconds before igniting.
Carbon deposits in valves and intake ports. If carbon deposits occur in the valves and intake ports of the engine, the carbon deposits can absorb an appropriate amount of fuel, which results in insufficient combustion and engine jitter. It is recommended that the rider regularly maintain and clean up the carbon deposits.
The working conditions of each cylinder are different. The reason for the different working conditions of each cylinder is also that the carbon deposit on the spark plug is too much or aging. It is recommended to check and maintain it regularly and replace the spark plug in time.
Accelerating into cars at low temperatures
Accelerating the car at low temperature is also one of the common car failures in winter. The main reason is that the hot car is not enough, so the correct method of warming the car is particularly important. In general, the car should be 30 seconds to one minute after the car is started in winter. On the road. But at this time, don't drive at high speed, keep it at low speed, and the engine speed should not exceed 3000~3500 rpm. Generally keep 2000 rpm. If the accelerator is slammed at this time and the speed is increased too quickly, it will cause greater wear on the engine and parts in the transmission. The correct way is to wait for the engine temperature to rise to the normal range, and then drive according to personal driving habits.
Under normal circumstances, the low-temperature hot car in winter can use the following time as a reference: 90 seconds above 0 degrees Celsius, 120 seconds preheating at negative 5-0 degrees Celsius, 150 seconds preheating at minus 5-10 degrees Celsius, and 200 seconds below minus 10 degrees Celsius second.
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