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Why does the new car have obvious jerking sensation?

4 Answers
DiPhoebe
07/29/25 3:11pm
Car jerking sensation is related to two major components: the engine and the clutch. There are many factors that may cause jerking during car startup and low-speed acceleration, such as engine oil passage blockage, insufficient or deteriorated transmission oil, unskilled operation of clutch and throttle coordination, or releasing the clutch too quickly during startup. The following are relevant introductions about jerking sensation: 1. Related to the engine: If the car has a jerking sensation while driving, the engine is definitely involved. The engine's ignition, air intake, and fuel injectors collectively determine fuel combustion, which is also the power source of the engine. If the air intake volume decreases, ignition weakens, or the fuel injection reduces, the power will be insufficient, resulting in a jerking sensation. 2. Normal situation: Jerking during the startup of an automatic transmission car is normal, because except for CVT continuously variable transmission, other transmissions will have a jerking sensation.
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PaisleeAnn
08/13/25 7:53am
I just bought a new car, and the jerking sensation is quite noticeable, possibly due to transmission matching issues or unoptimized engine control. During the break-in period, the engine and drivetrain need time to adapt, which can sometimes cause hesitation, especially when shifting gears. It could also be due to improper throttle control—gentle acceleration followed by sudden pressing may lead to jerking. I’ve tried driving gently, and after some time, it improved slightly. If the issue persists, I recommend visiting the dealership for a check-up, as it might be a sensor or software bug. Additionally, ensure the gear lever is in the correct position—clutch issues are more common in manual transmissions. Don’t worry; most new-car problems can be resolved through adjustments. Safety first!
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LaMicah
10/11/25 7:01am
From my years of driving experience, the jerking sensation in new cars is mostly related to driving habits. During the break-in period, engine components are tight, so gentle acceleration or sudden braking can easily cause bumps. It could also be due to uneven tire pressure or an unadjusted chassis suspension, especially noticeable at high speeds. I recommend first checking if the tire pressure is within the recommended range, as both too high and too low can affect smoothness. If the jerking is strong after changing fuel or during cold starts, it might be due to fuel system incompatibility—try adding some high-quality gasoline. Additionally, automatic transmissions have a learning mode and need a few weeks to adapt to your driving style. Don’t rush to complain; just drive gently and let it break in properly.
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Adelyn
11/24/25 8:08am
As an enthusiast who enjoys tinkering with cars, I've found that jerky movements in new cars often stem from electronic control system issues. Poor calibration of modules like the ECU or TCU can lead to rough gear shifts or uneven power delivery. It could also be that the clutch hydraulics or transmission fluid are too thick when new, improving after some operation. I've installed some monitoring apps to observe data and recommend checking OBD fault codes for any abnormalities. Additionally, air conditioning consumes power and can worsen the jerkiness—try turning it off. If it involves brake or acceleration sensors, early inspection can prevent bigger failures. Keeping an eye on your car's condition is crucial.
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What Does Used Car Mean?

Used cars refer to vehicles that are not brand new from the manufacturer but have been previously owned and used for a period of time. Due to their affordable prices and strong liquidity, used cars have become an integral part of the automotive market. The used car transaction tax invoice is regulated by the state. When conducting a used car transaction, the operator of the used car trading market must issue a unified invoice supervised by the tax authority to the buyer as proof for the transfer registration of the used car. Below is a detailed introduction about used cars: Definition of Used Cars: Used cars typically refer to motor vehicles that can still be used before reaching the national scrapping standards. There are many advantages to purchasing used cars, including cost-effectiveness, low depreciation rates, and easy availability of parts. Consumers can buy a higher-grade used car for the price of a new one, and the same brand and model can often be purchased at a lower cost. Low Depreciation Rate: After a car is registered and licensed, its value decreases every year. However, used cars have a lower depreciation rate, so selling a used car after several years of use won't result in significant losses. Additionally, the automotive service industry for used cars is well-developed, and related car parts are generally abundant.
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What are the criteria for determining accidents in the 'return one and compensate three' policy for used cars?

According to the requirements of the 'Used Car Circulation Management Measures,' the conditions for returning a used car must involve the seller's concealment and fraud that prevents the transfer registration from being processed. The seller's concealment of facts generally refers to issues such as the car having been in an accident, water damage, fire damage, problems with documentation, or unclear ownership. Additionally, clear evidence is required to return the car. Here is some relevant information about used cars: Introduction: A used car refers to a motor vehicle that has been registered with the public security traffic management authorities, has not yet reached the national scrapping standards or is within its economic service life, and can still be used. Precautions: When buying a used car, you should carefully observe aspects such as the car's manufacturing date, actual mileage, whether it has been involved in a major accident, and whether the previous owner maintained the vehicle properly.
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What does it mean when a used car is only sold locally?

To prevent vicious competition among 4S stores in different regions, the state has strictly stipulated restrictions on sales areas. 'Used cars only sold locally' means that consumers who purchase vehicles from this dealer must register and license the car in the same city. Below are some precautions for buying used cars: Carefully inspect the body: Check if the body has been damaged in a collision. Stand at one corner of the front of the car and look towards the rear, observing the seams of the body. If they are not straight, the gaps vary in size, the lines are curved, or the decorative strips are falling off or appear mismatched, it may indicate that the car has been in an accident or undergone repairs. Carefully inspect the interior: Worn pedal mats, very dirty seats, and worn door handles all suggest that the car has traveled a considerable distance. If the seller provides seat covers, be sure to check the original seat cushions.
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How Long is the Warranty for Used Cars?

Below is the warranty period for used cars of different ages: Young used cars: Also commonly referred to as nearly-new cars, these are typically 1-2 years old. The mileage of such used cars generally does not exceed 60,000 kilometers, and the vehicles themselves are relatively new. The advantage of buying this type of car is that it is still within the original manufacturer's warranty period, allowing you to continue enjoying free factory warranty for some time in the future. Youthful used cars: Generally, these cars are 3-6 years old, with mileage not exceeding 120,000 kilometers. These cars may have minor flaws, and due to the absence of original factory warranty, some wear and tear, and higher mileage, they are significantly cheaper than nearly-new cars. Middle-aged used cars: These are between 6-15 years old, with mileage around 300,000 kilometers. This category includes many classic and nostalgic models in the used car market, but they come without any warranty.
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What does used car reconditioning mean?

Used car reconditioning means thoroughly inspecting a purchased used car for any issues and addressing them if found. Below is relevant information about buying used cars: Solutions for issues with used cars: According to Chinese used car laws, general used cars do not come with quality guarantees, but contracts must be signed during transactions. The contract must clearly describe any existing problems with the used car, such as if it has been in a major accident or is a repaired vehicle from a significant incident. If the seller conceals the true condition of the vehicle and fails to disclose it in the contract, the buyer can use the contract to resolve issues through market mediation. If the market does not intervene, arbitration or legal action can be pursued. Commercial insurance can help recover some losses through policy cancellation. Ways to purchase used cars: Used car trading markets offer the best hands-on experience. Online used car platforms provide the widest selection of vehicles. Personal sellers offer the most favorable prices.
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Does the 2021 Tharu come with a particulate filter?

The 2021 Tharu is equipped with a particulate filter to meet the China VI emission standards. A particulate filter is a ceramic filter installed in the diesel engine's exhaust system that captures particulate emissions before they enter the atmosphere. It can reduce soot produced by diesel engines by more than 90%, and the captured particulate emissions are subsequently burned off during vehicle operation. Diesel engine pollution mainly comes from three sources—particulate emissions, hydrocarbons (HCx), nitrogen oxides (NOx), and sulfur. Particulate emissions (soot) are mostly composed of tiny particles of carbon or carbide (smaller than 4-20μm). How the particulate filter works: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate filter through a dedicated pipe. After passing through the densely arranged bag-type filter inside, the carbon soot particles are adsorbed onto the filter made of metal fiber felt. When the adsorption of particles reaches a certain level, the burner at the end automatically ignites, burning off the adsorbed carbon soot particles and converting them into harmless carbon dioxide. To check whether the 2021 Tharu has a particulate filter, you can use the following three methods: Check the and to see if the particulate filter function is mentioned. Additionally, carefully review the fault codes in the manual to check for a "particulate filter" warning light indicator. Check the label on the oil filler cap. If the oil cap clearly states 0W-20 grade oil, it indicates the presence of a particulate filter. Look behind the three-way catalytic converter to see if there is a cylindrical section on the exhaust pipe. If present, that is the particulate filter.
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