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What Causes the Engine Warning Light to Illuminate and the Car Body to Shake?

1 Answers

LeQuinn

07/30/25 1:42am

The reasons for the engine warning light illuminating and the car body shaking are: 1. A dirty throttle can cause idle shaking; 2. Faulty spark plugs can lead to vehicle idle shaking; 3. If one cylinder of the engine is not working, it can also cause idle shaking and result in vehicle shaking during low-speed acceleration; 4. Aging rubber components inside the engine mounts and transmission mounts can cause idle shaking. The car body is equipped with numerous sensors to monitor the vehicle. When a sensor detects an issue with a specific component, the engine warning light will illuminate. To determine the exact cause, a computer diagnostic tool is required to identify the problematic area. If the car can still be driven normally, it is advisable to visit a 4S store or a professional auto repair shop as soon as possible. A professional can diagnose the issue, and generally, connecting a portable diagnostic tool can easily read the fault code to identify the problem for targeted repairs.

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Will I get points deducted for driving at 40 in a 30 speed limit zone?

Driving at 40 in a 30 speed limit zone will result in penalty points. The fines and penalty points for ordinary vehicles outside highways are as follows: 1. For exceeding the speed limit by less than 10%, no penalty is imposed temporarily; 2. For exceeding the speed limit by more than 10% but less than 20%, a fine of 50 yuan and 3 penalty points are imposed; 3. For exceeding the speed limit by more than 20% but less than 30%, a fine of 50 yuan and 6 penalty points are imposed; 4. For exceeding the speed limit by more than 30% but less than 50%, a fine of 200 yuan and 6 penalty points are imposed; 5. For exceeding the speed limit by more than 50% but less than 70%, a fine of 1000 yuan and 12 penalty points are imposed, and the driver's license may also be revoked; 6. For exceeding the speed limit by more than 70%, a fine of 2000 yuan and 12 penalty points are imposed, and the driver's license may also be revoked.

What are the reasons for a car cigarette lighter not working?

The reasons for a car cigarette lighter not working: 1. Due to prolonged use, repeated insertion and removal can cause the spring clip to loosen; 2. Repeated insertion and removal or improper use may lead to a short circuit, burning out the fuse. The power voltage of a car cigarette lighter is 12 volts. When using it, try to insert or remove it vertically. Frequent shaking can easily cause loosening or short circuits, and in severe cases, it may burn out the fuse or even external electronic devices. If you need to use the cigarette lighter for an extended period or with high-power devices, it is advisable to start the car engine to enhance the power supply. This avoids draining the car battery, as the cigarette lighter in the car draws DC power from the car's alternator. As long as the car's engine is running, it can drive the alternator to generate electricity, and all the electrical power used in the car comes from this source.

What are the penalties for crossing a solid white line on the highway?

Crossing a solid white line on the highway will result in a 3-point deduction from the driver's license and a fine ranging from 20 to 200 yuan. In addition to prohibiting lane changes, solid lines on highways also forbid U-turns and turns, which are common mistakes made by new drivers. Therefore, when driving on highways, it's essential to slow down and maintain a safe speed, allowing more time to react and correct course to avoid traffic violations. Generally speaking, whether it's a single yellow, solid white line, or double yellow and white solid lines, none should be crossed. Sometimes, changing lanes over solid lines on highways can be captured by cameras, especially in accident-prone areas where numerous traffic violation cameras are often installed. Drivers should reduce speed and remain vigilant when passing through these sections to ensure safe passage.

How to Distinguish Tire Models and What Do They Represent?

Tire models can be distinguished by looking at the sidewall markings. Currently, almost all passenger car tires are radial tires. The specifications of radial passenger car tires are labeled in the order of "tire width, aspect ratio, compatible rim diameter, load index, and speed rating." The parameters displayed on the tire model represent the tire's width, aspect ratio, tire type, and applicable size. Taking the model 225/60R17 as an example, 225 indicates the tire's section width is 225mm, 60 is the aspect ratio, meaning the tire's sidewall height is 60% of the section width, R stands for radial tire, and 17 indicates the tire is suitable for 17-inch rims.

Can a person without a driver's license buy a car and register it under their own name?

A person without a driver's license can buy a car and register it under their own name. Not having a driver's license does not affect the owner's ability to register the vehicle. Only an ID card is required for the purchase, including obtaining license plates and purchasing insurance—none of these require a driver's license. The vehicle owner must fill out the motor vehicle registration application form and submit the required documents to the local vehicle management office at their place of residence to apply for vehicle registration and inspection. Documents required for registration include: 1. Proof of identity of the vehicle owner; 2. Proof of vehicle origin, such as the purchase invoice; 3. Proof of compliance for the whole vehicle from the manufacturer or import documentation for imported vehicles; 4. Proof of payment or exemption for vehicle purchase tax; 5. Proof of compulsory motor vehicle liability insurance; 6. Proof of payment or exemption for vehicle and vessel tax; 7. Other proofs or documents required by laws and regulations for motor vehicle registration.

How to Handle Points Deduction for A2 Driving License?

If the points deducted from an A2 driving license are less than 12, the driver should promptly pay the fine and, within 30 days after the end of the scoring cycle, report to the traffic management department of the public security authority for verification. During verification, the driver must participate in study sessions and examinations. Any points for which fines have not been paid, even if the total points do not reach 12, will be carried over to the next scoring cycle. If the points deducted from an A2 driving license reach 12, the driver must, within 15 days, attend a seven-day study session on road traffic safety laws, regulations, and related knowledge at the traffic management department of the public security authority where the motor vehicle driving license was issued or where the violation occurred. Additionally, within 30 days, the driver must apply for a downgrade and license replacement. If the driver fails to complete the downgrade and license replacement within the specified time, the vehicle management office will announce the invalidation of the driving qualification for the corresponding vehicle type.

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