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What Causes Car Shaking and Engine Light Illumination?

1 Answers
May
07/29/25 5:56pm
Car shaking and engine light illumination can be caused by: 1. Engine carbon buildup: When carbon accumulates excessively in the engine, its operational state becomes abnormal, leading to intensified engine shaking; 2. Poor fuel quality: Low-quality fuel may not burn completely in the engine, producing impurities that can clog internal engine passages, triggering the engine warning light; 3. Overheating inside the engine can cause knocking. When the ECU detects engine knocking, it attempts to mitigate it by delaying ignition. If the knocking exceeds the ECU's adjustment capacity, the engine warning light will illuminate along with persistent knocking.
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What is the solution for the rear seat light not turning off in the 2020 Magotan?

The solution for the rear seat light not turning off in the 2020 Magotan is: Above the middle of the rear seats, there is a switch for the overhead light with three modes. 'ON' is the constant-on mode, where the overhead light stays on continuously, even after locking the car. 'DOOR' means the light only turns on when the door is opened. 'OFF' is the off mode, selecting this will keep the overhead light off and it won't illuminate. Taking the Magotan 2020 280TSI DSG Comfort as an example: it is a mid-size 4-door 5-seater sedan under FAW-Volkswagen, with a length, width, and height of 4865mm, 1832mm, and 1471mm respectively, a wheelbase of 2871mm, and a top speed of 208 km/h.
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What Causes a Car to Start and Then Stall After a Few Seconds?

There are four main reasons why a car starts and then stalls shortly after: 1. Excessive carbon buildup leading to stalling: Carbon deposits typically accumulate in the throttle body, spark plugs, cylinders, fuel lines, and intake tracts. These are a tar-like substance formed when fuel burns at high temperatures. Physical cleaning methods are often ineffective, requiring specialized chemical cleaners for removal. 2. Poor fuel quality and clogged fuel injectors: Using low-quality fuel not only increases carbon buildup but can also clog fuel injectors, impairing atomization. Additionally, poor fuel directly affects combustion efficiency, increasing fuel consumption. Incomplete combustion produces carbon monoxide, which can accumulate inside the vehicle and potentially cause fatal poisoning. 3. Spark plug carbon buildup and insufficient ignition voltage: Carbon deposits on spark plugs can be removed through both physical and chemical methods. Insufficient ignition voltage can be addressed by replacing the spark plugs. 4. Severely depleted battery: If the battery is significantly drained, it may make the engine difficult or impossible to start. Generally, a car battery has a lifespan of about four years.
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Why Does the Car Shake When Shifting from D to N Gear?

The reasons for the car shaking when shifting from D to N gear are as follows: 1. Severe engine carbon deposits: The most common cause of car shaking is a dirty throttle body or excessive carbon buildup in the fuel injectors. When there is too much carbon deposit inside the engine, the gasoline sprayed by the cold start injector will be largely absorbed by the carbon deposits, resulting in an overly lean air-fuel mixture during cold starts and making it difficult to start. 2. Ignition system issues: Check the condition of the spark plugs, high-voltage wires, and ignition coils. Poor performance of the ignition system or improper spark plug firing can also lead to such issues. 3. Unstable oil pressure: If you have already cleaned the engine carbon deposits, cleaned the throttle body, replaced the oil gasket and spark plugs, but still notice the car shaking, it is recommended to visit a 4S shop to check the fuel supply pressure and the intake pressure sensor. Abnormal fuel pump pressure or incorrect readings and poor performance of the intake pressure sensor can also cause the car to shake.
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What are the hazards of a broken headlight mounting bracket?

There are no hazards if the headlight mounting bracket is broken. The method for adjusting the headlight beam is as follows: 1. Start the car; 2. Press the clock button; 3. After hearing a beep, the time will start flashing; 4. Press the hour and minute buttons; 5. After setting the correct time, press the clock button to confirm. The functions of car headlights are: 1. To accurately illuminate the road ahead; 2. To enhance driving safety at night; 3. To avoid affecting the visibility of oncoming drivers. Precautions for using headlights include: 1. Turn on low beams when driving at night; 2. Do not use high beams when driving closely behind another vehicle in the same direction; 3. When passing through sharp curves, slopes, arched bridges, crosswalks, or intersections without traffic lights at night, alternate between high and low beams as a signal.
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What is the reason for a motorcycle jerking when accelerating?

The reason for a motorcycle jerking when accelerating is: the air filter and carburetor are clogged, and cleaning or replacing them can solve the problem. Daily maintenance methods for motorcycles: 1. During the break-in period, keep the motorcycle idle speed at 100 rpm; 2. Match the motorcycle gear with the speed; 3. When you need to brake due to an obstacle ahead, release the throttle, step on the rear brake with your right foot, and gently apply the front brake with your right hand; 4. Regularly check the spark plug; 5. Regularly lubricate the chain. Motorcycles should travel in the right-hand motor vehicle lane. According to the Implementation Regulations of the Road Traffic Safety Law, if there are two or more motor vehicle lanes in the same direction on the road, the left lane is the fast lane and the right lane is the slow lane. Motor vehicles traveling in the fast lane should drive at the speed specified for the fast lane. If they cannot reach the specified speed, they should drive in the slow lane.
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What to Do If the Brakes of an Automatic Car Are Too Sensitive?

If you feel that the brakes of an automatic car are too sensitive, you should slow down in advance according to the road conditions and gently apply the brakes. Sometimes, it's not that the brakes are too sensitive, but rather that you are not used to the braking habits. If you still feel that the brakes are too tight, you can have them adjusted at a 4S shop. Precautions when braking: Under the premise of maintaining a sufficient braking distance, gently and continuously apply the brakes to decelerate evenly. When the car is about to stop, slowly release the brake until the car comes to a complete stop before fully releasing the brake. If you are braking while following another car, ensure a safe distance from the car in front, gently apply the brakes to maintain braking force, and then adjust the braking force according to the speed of the car in front, trying your best to maintain the same speed as the car in front for smooth following.
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