What Causes Jerking Sensation After Refueling a Car?

1 Answers
DiJoanna
07/30/25 7:10am
Jerking sensations in a car are definitely related to two major components: the engine and the clutch. Possible factors causing jerking during low-speed acceleration after refueling include engine oil passage blockage, automatic transmission startup, or transmission damage. Below are the specific details: 1. Engine Oil Passage Blockage: If a car experiences jerking while driving, the engine is certainly involved. The engine's ignition, air intake, and fuel injectors collectively determine fuel combustion, which is the source of the engine's power. If the air intake volume decreases, ignition weakens, or fuel injection reduces, the power output will be insufficient, leading to jerking sensations. 2. Automatic Transmission Startup: Jerking during the startup of an automatic transmission car is normal. If you want to accelerate quickly while driving, you need to press the accelerator deeply. At this point, the automatic transmission will downshift to increase engine speed. When the speed reaches a certain level, it upshifts again. Since the speed will drop significantly after upshifting, a relatively noticeable jerking sensation occurs. 3. Transmission Damage: If the jerking is more severe than usual, consider whether the transmission is damaged. For example, persistent dirt and impurities inside, especially when accumulated in the valve body, can form blockages, preventing effective regulation of oil pressure and causing jerking, impact, or slippage issues.
Was this review help?
13
3
Share
More Forum Discussions

How to Open Windows When the Car is Parked?

After parking and turning off the engine, touching the lock button will automatically close the windows. To open the windows, press and hold the unlock button on the key fob, and all four windows will open simultaneously. Here are some details about opening and closing windows when the engine is off: 1. Key Factors: If the battery has power, press the start button without stepping on the brake. This will put the car in an accessory power mode (without starting the engine), allowing you to control the windows. Without power, window control is impossible. Having power is one of the key factors for closing windows. 2. Precautions: In winter, if the windows are frozen and cannot be opened, it is strongly advised not to pour hot water directly on them, as this may cause the glass to crack. The correct method is to use a towel soaked in warm water to wipe the edges of the window. Wait until the ice in the gaps completely melts before attempting to open the window.
18
0
Share

What to Do When the Coolant Warning Light Disappears After Restarting?

Here are the steps to take when the coolant warning light disappears after restarting: 1. Visit a 4S shop to use professional diagnostic tools to check if there are any fault codes in the car's computer. The fault codes will indicate the error, and the 4S shop can proceed with repairs. 2. If there are no fault codes, remove the water temperature sensor and use the substitution method to check if the sensor is the cause. 3. It could also be due to the coolant being used for too long, requiring replacement and cleaning of the cooling system. Below are the reasons why the coolant warning light may come on: The engine temperature is too high, triggering the warning light. When this happens while driving, the owner should first find a safe place to stop the vehicle, but be careful not to turn off the engine. Instead, open the engine hood to allow the engine to cool down. If the warning light is on and the owner continues to drive, it may lead to engine cylinder scuffing.
4
1
Share

What does the four-wheel drive fault light indicate?

Vehicle fault lights are generally caused by the fuel emission system. Here is some information about the four-wheel drive fault indicator light: 1. Reasons for illumination: When the engine fault light comes on, it indicates an abnormality or fault in a certain system of the vehicle (such as intermittent faults or false alarms). To determine which specific system or component has the fault, a dedicated vehicle diagnostic scanner must be used to analyze the issue. By reading fault codes or related data streams, the cause, location, and components involved in the fault can be identified for subsequent repairs. 2. Precautions: When the fault light is on, start and turn off the vehicle three times, then observe whether the fault light remains illuminated. If it stays on, promptly visit a repair shop to check the fault codes.
1
0
Share

What is the difference between SN and SM engine oil?

The differences between SN and SM engine oils are as follows: 1. Performance: SM-grade engine oil offers better oxidation resistance and deposit control, superior anti-wear protection, and improved low-temperature fluidity. 2. Operating environment: SN-grade oil must pass more stringent fuel economy engine tests with higher standards, ensuring the oil's fuel economy and retention capabilities. Technologies such as direct fuel injection, turbocharging, and diversified alternative fuels enhance engine power output, reducing fuel costs for car owners, but also increase oil temperature, making it more susceptible to oxidation and creating harsher operating conditions. 3. Requirements: SN-grade engine oil provides better piston cleanliness, high-temperature deposit control, and low-temperature sludge control performance, meeting the engine's performance needs under various conditions. Additionally, the reduction of sulfur and phosphorus elements in the oil minimizes their impact on catalysts in the exhaust treatment system, extending the system's lifespan and making vehicle emissions cleaner.
18
5
Share

Which region does the license plate 'Meng J' belong to?

Meng J is the license plate code for Ulanqab City in the Inner Mongolia Autonomous Region. Below is an introduction to the license plate codes in the Inner Mongolia region: 1. 'Meng' is the abbreviation for Inner Mongolia, and the following letters represent the vehicle management office codes for different cities. 2. Meng A refers to Hohhot, Meng B to Baotou City, Meng C to Wuhai City, Meng D to Chifeng City, Meng E to Hulunbuir City, Meng F to Xing'an League, Meng G to Tongliao City, Meng H to Xilin Gol League, Meng J to Ulanqab City, Meng K to Ordos City, Meng L to Bayannur City, and Meng M to Alxa League. Additional information: Fuel-powered vehicles use license plate numbers consisting of five digits. In the license plate numbers, Arabic numerals range from 0 to 9 (a total of ten digits), and English letters range from A to Z (a total of 26 letters). In license plate numbers, the letters I and O are mostly avoided to prevent confusion with the numbers 1 and 0.
18
2
Share

How to Check if You Passed the Driving Test (Subject 3)?

First, access the 'Ministry of Public Security Internet Traffic Safety Comprehensive Service Management Platform', select your province on the China map, and log in with your account credentials. After successfully logging into the website, click the 'My Homepage' link in the upper right corner of the webpage to enter the personal homepage service interface of the traffic management department.
4
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.