What Causes a Car to Stall When the Throttle is Released?

What is the reason for the squeaking noise when starting the Sagitar in winter?

The reason for the squeaking noise when starting the Sagitar in winter is: the sound from the timing belt. The timing belt is made of rubber, and in cold winter weather, the timing belt becomes stiff and hard, causing some noise when it comes into contact with the timing gears. The noise will disappear once the temperature rises. Taking the 2018 Volkswagen Sagitar as an example, it is a compact car with body dimensions of: length 4753mm, width 1800mm, height 1462mm, wheelbase 2731mm, and a fuel tank capacity of 50 liters. The 2018 Volkswagen Sagitar features a front suspension with MacPherson independent suspension and a rear suspension with multi-link independent suspension. It is equipped with a 1.2L turbocharged engine, producing a maximum horsepower of 116 PS, maximum power of 85 kW, and maximum torque of 175 Nm, paired with a 5-speed manual transmission.

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What transmission does the Kia K3 use?

The 1.6L model of the Kia K3 uses a 6-speed manual and a 6-speed automatic transmission, while the 1.8L model uses a 6-speed automatic transmission. The Kia K3 has a length, width, and height of 4600mm, 1780mm, and 1445mm respectively, with a wheelbase of 2700mm. In terms of power, this car is equipped with two engines: a 1.5-liter naturally aspirated engine and a 1.4-liter turbocharged engine. Exterior-wise, the car features a tiger-nose front grille with a new black mesh design. For the interior, the car has a three-spoke flat-bottom steering wheel, a floating central control screen, and air conditioning controls that combine touchscreen and button operation.

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What is the difference between single motor and dual motor in Model 3?

Single motor models are rear-wheel drive, while dual motor models are four-wheel drive. Dual motor models are more expensive and have stronger acceleration performance, as they have motors on both the front and rear axles. Here is some additional information: 1. Tesla: Tesla is an electric vehicle manufacturer from Silicon Valley, USA. Tesla's models include Model 3, Model S, Model X, and Model Y. 2. Model 3: The Model 3 has a length of 4694 mm, a width of 1850 mm, a height of 1443 mm, and a wheelbase of 2875 mm. The rear-wheel drive version has a motor with a maximum power of 202 kW and a maximum torque of 404 Nm. The four-wheel drive version has a total motor power of 339 kW.

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What is the speed limit when passing through a school zone?

When driving a motor vehicle through a school zone, the maximum speed should not exceed 30 km/h. According to the national standard "Road Traffic Signs and Markings," a school zone refers to the road within a 150-meter radius upstream and downstream of the gates of kindergartens, elementary schools, and middle schools. The speed limit in school zones should not exceed 30 kilometers per hour. The size of speed limit and warning signs in school zones should be appropriately enlarged. At intersections and entrances/exits near school gates where temporary parking is prone to cause congestion, regulatory grid lines should be marked. No-parking signs or time-limited parking signs should be installed within a certain range in front of school gates. Below is related information about maximum speed limits on roads: In the absence of speed limit signs or markings: The speed limit is 30 km/h on urban roads without a centerline and 40 km/h on highways; on urban roads with only one lane in the same direction, the limit is 50 km/h, and on highways, it is 70 km/h. Special weather conditions: During fog, rain, snow, sandstorms, or hail with visibility less than 50 meters, the maximum speed is 30 km/h. When making U-turns, turning, or descending steep slopes: The maximum speed is 30 km/h. When driving on icy or muddy roads: The maximum speed is 30 km/h.

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Which Consumes More Fuel: 2WD or 4WD?

4WD consumes more fuel than 2WD. Introduction to the differences between 2WD and 4WD in cars: 1. Different driving methods: 1. 2WD: Two-wheel drive means only two wheels are the driving wheels, connected to the vehicle's power system. 2. 4WD: Four-wheel drive refers to the form where the vehicle maintains all four wheels as driving wheels throughout the entire driving process. 2. Different fuel consumption: The four-wheel drive mode can provide better off-road and handling performance at any time, but it cannot adjust torque distribution according to road conditions and has higher fuel consumption. 3. Different number of differentials: 1. 2WD: The car differential can make the left and right (or front and rear) driving wheels rotate at different speeds. 2. 4WD: In four-wheel drive, in order to drive all four wheels, all wheels must be connected. If the four wheels are mechanically connected together, a center differential needs to be added to adjust the speed difference between the front and rear wheels.

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What is the Difference Between 10W-30 and 10W-40 Engine Oil?

10w-30 and 10w-40 engine oil differences: 1. Different viscosity: 10w-30 engine oil has lower viscosity than 10w-40. 10w-40 engine oil has higher viscosity than 10w-30. 2. Different applicable temperature ranges: The applicable range for 10w-30 engine oil is between -25°C in winter and 30°C in summer; while the applicable range for 10w-40 engine oil is between -25°C in winter and 40°C in summer. 3. Different grade classifications: 10w-30 engine oil belongs to the low-temperature type; 10w-40 engine oil meets the requirements of SAE15W, 10W, 5W for low-temperature viscosity grades and SAE40, 50 for high-temperature viscosity grades, making it an all-season type. Below is extended content: 1. SAE specifies 11 engine oil viscosity grades, indicating which grade of oil should be used at what atmospheric temperature. 2. Among these 11 grades, 6 are winter oils, represented by the letter W, including 0W, 5W, 10W, 20W, 25W. The number before W indicates the minimum temperature at which the oil grade is applicable, with smaller numbers indicating lower temperatures.

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