Now that more and more people are buying cars, many families and individuals have more and more owners of their own cars, and people pay much attention to the maintenance and repair of cars. There are some minor problems common to cars. They are simple. We still need to understand the little knowledge of maintenance and repair. Remote control key failure In life, many riders often encounter the remote control key of their car sometimes can be remotely controlled, sometimes not, or is difficult to use, to use a lot of effort or a lot of times to be successful, generally encountered these phenomena first Measuring the voltage of the battery, in most cases, is caused by a low voltage. Replacing a new battery can solve the problem. In addition, it may be caused by too long a battery. Car air conditioner has abnormal noise The abnormal noise that occurs is mainly the noise of the compressor and does not belong to the fault. Because the work of the compressor is intermittent, it is not always in working condition. When it is started again, it will send out louder working noise; if it is after the key door is opened, the automatic operation of the air conditioning is certainly not normal, and in most cases it is a fan. The failure of the control module requires the replacement of new accessories. When the hot car starts, the spirit is not working This may be the following three conditions: First, because of excessive carbon deposition in the throttle, idle motor or intake port. Due to carbon deposits in the intake passage, the cross-sectional area of ​​the air passage changes, which makes it impossible for the control unit to accurately control the idle air intake amount, resulting in over-thickening or excessive dilution of the air-fuel mixture, resulting in the engine not being able to start. Second, slight leakage occurred in the fuel injector. As a result, the fuel leaked into the combustion chamber for a period of time after the vehicle was turned off, causing the mixture to be too concentrated when the vehicle was started again, and eventually it was difficult to start. The third is caused by the damage of the activated carbon cans. If the solenoid valve is always in the open state, the mixture of the intake port of the engine is always in the enriched state, causing the mixture to be too rich when the hot car is heated to cause a phenomenon that it is difficult to start. Xiao Bian concludes: If a car is opened for a long time or if it is not observed, there will be many minor problems. Some minor problems are not actually faults, but others will have a great impact. In this small series, we remind everyone that we have encountered these situations. The best time to go to a specialized repair shop to consult, do not deal with it.
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