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What does 'Please check the engine management system' mean?

2 Answers

BriannaAnn

07/29/25 5:16am

Please check the engine management system refers to the need to inspect the engine to see if there is a fault in the emission system or a problem with the oxygen sensor. The owner needs to go to the 4S shop to read the fault code and find out the specific cause. An engine is a machine that can convert other forms of energy into another form of energy, usually converting chemical energy into mechanical energy. The car engine is the device that provides power for the car, determining the car's power, economy, stability, and environmental protection. According to different power sources, car engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrid power, etc.

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OliveLee

08/12/25 8:52am

When I see the 'Check Engine Management System' warning light on the dashboard as an experienced driver, I immediately feel nervous. This indicates that the vehicle's onboard computer has detected an issue with the engine control module. It could be due to faulty components like the oxygen sensor or mass airflow sensor, causing the computer to inaccurately adjust the fuel mixture ratio and affecting engine performance efficiency. If not addressed promptly, the car may experience power loss, skyrocketing fuel consumption, or even risks like starting difficulties or stalling. I recommend not delaying—take it to a nearby repair shop to scan for trouble codes with professional equipment to identify the specific cause and prevent minor issues from turning into major repairs. It's best to perform regular maintenance, keep sensors clean, and reduce the probability of such sudden incidents to ensure safer driving every time.

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What should be done if there is a linear crack on the tire sidewall?

Tires must be replaced when the tread wears down to the small triangle indicator, the wear bars within the tread pattern, reaches the expiration date, or if there is a linear crack on the sidewall. This is to prevent sudden blowouts while driving. Solutions for various tire-related issues are as follows: Tire Wear: Tires have tread wear indicators, which are slightly raised bars located at the bottom of the tread grooves with a height of 1.6 mm (the legal minimum groove depth). If the tread rubber wears down to the same level as these raised indicators, the tires should be replaced immediately, as continued driving is no longer safe. Tire Damage: Hitting curbs, falling into potholes, or punctures from nails can severely damage tires. Generally, sidewall damage cannot be repaired, and for safety reasons, the tire must be replaced. Tire Aging: If tread deformation or significant cracking is observed, stop using the tires immediately and have them inspected by a professional repair shop to determine if they can continue to be used. Tire Bulges: Tire bulges are a high-risk factor for blowouts, especially on highways. If a bulge is detected, the tire should be replaced promptly.

What is the traffic violation code 7020?

Traffic violation code 7020 indicates driving a motor vehicle transporting hazardous materials without approval, which does not incur demerit points but results in a fine of 200 yuan. The details of the violation code are as follows: 1. Traffic violation code: Traffic violation codes consist of four digits, categorized according to the principles in the traffic law. The sequence from left to right is: one digit for the behavior classification code, one digit for the demerit point classification code, and the last two digits for the sequential code. 2. The first digit is the behavior classification code: It represents the classification code in the road traffic law. 3. The second digit is the demerit point classification code: It represents the classification code for demerit points related to the traffic violation. 4. The third and fourth digits are the sequential code: They represent the sequential number of the behavior within the same behavior classification. For example: 1303—"1" indicates a motor vehicle behavior, the second digit "3" indicates 3 demerit points, and the "03" indicates the third behavior in the 3-point deduction category.

What to do if car insurance has lapsed for 6 months?

It is recommended to renew the car insurance as soon as possible if it has lapsed for 6 months. Here are the specific details about vehicle insurance lapse: 1. Renew the insurance promptly after the vehicle insurance lapses: If the lapse is within three months, it generally does not affect the premium. If the lapsed vehicle needs to be insured for collision coverage, a vehicle inspection photo must be provided simultaneously. This is an underwriting requirement by insurance companies, mainly to avoid future claim disputes and moral hazards. If the lapse is only for one day, some companies may not require this, but specific details depend on the underwriting rules of the insurance company. If the lapse exceeds three months, the premium will be adjusted to the standard rate without discounts, applicable to both compulsory traffic insurance and commercial insurance. 2. Failure to renew lapsed insurance may result in vehicle impoundment and penalty points: If the vehicle insurance lapses and is not renewed in time, the vehicle may be impounded and penalty points may be issued if caught by traffic police. In case of an unfortunate accident, all losses must be borne by the owner. When renewing insurance for a lapsed vehicle, immediate policy activation can be requested, which is supported by most companies.

Is the left turn signal down or up?

Turning on the left turn signal is done by moving the lever downward. Conditions requiring the use of turn signals: Turn signals must be used when changing lanes, overtaking, making U-turns, and similar situations. It is essential to activate the turn signal in advance to inform other vehicles of your driving intentions, allowing others to anticipate your actions. Important notes on using turn signals: Turn signals must be activated in advance when changing lanes. The left turn signal should be turned on in advance when making a left turn, changing to the left lane, preparing to overtake, leaving a parking spot, or making a U-turn. The right turn signal should be activated in advance when making a right turn, changing to the right lane, returning to the original lane after overtaking, or parking by the roadside. Frequent lane changes should be avoided. Motor vehicles may borrow or change lanes when it does not affect the normal driving of other vehicles; vehicles in the borrowed lane should be given the right of way. Drivers should proceed in order and avoid frequent lane changes. Vehicles that should drive in the slow lane are allowed to borrow the fast lane for overtaking when it does not hinder the normal driving of vehicles in the fast lane, but they must return to the original lane immediately after overtaking. When vehicles from both the left and right lanes are changing into the same lane, vehicles from the left lane should yield to those from the right lane.

What to Do When a Sideswipe Occurs Due to the Other Vehicle Changing Lanes While Driving Normally?

When a sideswipe occurs due to the other vehicle changing lanes while you are driving normally, different situations require different handling methods. The specific details are as follows: 1. Same-direction sideswipe traffic accident: In a same-direction sideswipe traffic accident caused by one party changing lanes, the lane-changing party bears full responsibility; in a same-direction sideswipe traffic accident caused by one party overtaking another, if the other party is driving normally in their lane, the faster party bears full responsibility; if one party is oversize and fails to set up obvious warning signs as required, and a same-direction sideswipe traffic accident occurs during the overtaking process by the other party, the oversize party bears secondary responsibility for the accident, and the other party bears primary responsibility; in a sideswipe traffic accident caused by one party being oversize and driving parallel to or overtaking the other party, the oversize party bears full responsibility for the accident. 2. Opposite-direction sideswipe traffic accident: In an opposite-direction sideswipe traffic accident caused by one party riding or pressing the centerline or entering the opposite lane, that party bears full responsibility; in an opposite-direction sideswipe traffic accident caused by one party being oversize while the other party is driving in their lane, the oversize party bears full responsibility; in an opposite-direction sideswipe traffic accident caused by both parties driving in their respective lanes, both parties bear equal responsibility.

What are the causes of engine oil burning in cars?

The reasons leading to engine oil burning in cars are as follows: 1. Poor fuel quality: The primary cause of engine oil burning is poor fuel quality. When fuel cannot be fully combusted, it forms a large amount of carbon deposits. Over time, these deposits accumulate and thicken, with some entering the piston, causing piston ring adhesion and clogging the oil return holes. This creates gaps in the engine, allowing air to enter the combustion chamber and participate in the combustion process, resulting in the phenomenon of oil burning. 2. Traffic congestion leading to incomplete fuel combustion: Due to traffic congestion, fuel cannot be effectively combusted, generating a significant amount of carbon deposits. These deposits clog the oil return holes, preventing the oil scraper ring from removing oil from the cylinder walls. As a result, the oil remains in the combustion chamber and burns, causing oil burning. 3. Aging of valve stem seals: Aging valve stem seals can also lead to oil burning. Valve stem seals are made of heat-resistant and oil-resistant rubber. These seals are exposed to high temperatures, gasoline, and engine oil, along with temperature fluctuations from cold and hot operations, which deplete the plasticizers in the seals. Over time, the seals begin to shrink, allowing oil to enter the combustion chamber and burn, thus causing oil burning. 4. Substandard engine oil quality: Substandard engine oil quality is another cause of oil burning. If the oil quality is substandard, its lubricating effect weakens. Combined with the accumulation of carbon deposits, the oil loses its lubricating properties, making it easier to cause wear on the cylinder walls. This wear increases the engine temperature, quickly leading to cylinder scoring and engine failure.

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