Does Engine Auto Start-Stop Save Fuel or Waste Fuel?

1 Answers
DelEzra
07/30/25 6:58am
Engine auto start-stop systems save fuel, and here are the reasons: 1. Definition: The English name for engine auto start-stop is STOP&START, abbreviated as STT. The STT intelligent fuel-saving system is a set of systems that control engine start and stop. 2. Principle: Auto start-stop is achieved by implanting an enhanced motor with idle start-stop functionality into a traditional engine, allowing the engine to completely shut off when the vehicle meets idle stop conditions. When the vehicle needs to start moving again, the idle start-stop motor system quickly responds to the driver's start command, rapidly restarting the engine for seamless transition, thereby significantly reducing fuel consumption and exhaust emissions.
Was this review help?
10
5
Share
More Forum Discussions

Where is the Bentley anti-theft screw located?

The Bentley anti-theft screw has a dedicated threaded cap in the car's trunk. All original vehicles equipped with anti-theft screws come with this feature. Principle of anti-theft screws: The anti-theft principle of tire anti-theft screws involves machining the outer diameter of the screw into an irregular shape, requiring the use of a specialized removal tool that matches the wheel to remove it. This prevents thieves from using ordinary removal tools to tamper with it. Using just one anti-theft screw per wheel can achieve the desired anti-theft effect, fully ensuring the safety of the car tires. Introduction to anti-theft screws: For car owners, there is a detail on the car's wheel hub that might not always be noticed. One of the hub's fastening screws is different from the others and cannot be removed with a conventional socket wrench. This screw is the car's anti-theft screw.
14
5
Share

Does a Mercedes-Benz Need the Handbrake?

Whether to engage the handbrake in a Mercedes-Benz mainly depends on whether the parking location is level. If the vehicle is parked stably and securely, you can choose not to engage the handbrake. Principle of the Handbrake: The working principle of an electronic handbrake is similar to that of a mechanical handbrake. Both essentially use friction between the brake disc and brake pads to achieve the parking brake effect. The only difference is that the traditional mechanical handbrake lever has been replaced with an electronic button. Function of the Handbrake: It achieves the vehicle's parking brake through electronic control. Additionally, it extends to the auto-hold function, allowing the driver to avoid prolonged braking when the vehicle is stationary, effectively preventing the vehicle from rolling.
3
0
Share

Does the BMW 730 have twin turbos?

BMW 730 has twin turbos. The BMW 730 is equipped with twin turbos, and the 750 also comes with twin turbos. Introduction to Twin Turbos: Twin-turbocharging is one of the turbocharging methods. To address the turbo lag issue in exhaust turbocharging, two turbos—either one large and one small connected in series or two identical turbos in parallel—are used. At low engine speeds, a smaller amount of exhaust gas can drive the turbos to rotate at high speed, generating sufficient intake pressure and reducing the turbo lag effect. Common Turbos: Most turbochargers are single turbochargers, which can be categorized into mechanical turbocharging, exhaust turbocharging, and compound turbocharging. Mechanical turbocharging is directly driven by the engine, with the advantage of no turbo lag but the drawback of power loss and lower boost pressure.
13
4
Share

Can You Continue Driving When the Car Engine Overheats?

You cannot continue driving when the car engine overheats. After the engine overheats, it requires a cooling period of one and a half hours. Radiator Leakage: A broken or improperly connected radiator hose can cause leakage, which will obstruct the water circulation and, in severe cases, lead to engine "boiling over." Insufficient Coolant: Prolonged water circulation during engine operation can gradually deplete the coolant in the engine's cooling system, resulting in a lack of water in the radiator. If the owner fails to promptly inspect, detect, and replenish the coolant, it can easily cause the engine to overheat. Thermostat Malfunction: The thermostat is a device that controls the flow path of the coolant. If it becomes stuck or fails, the engine's large and small circulation cycles will inevitably be affected, preventing the effective dissipation of the engine's heat.
14
4
Share

Do fuel-powered scooters require a driver's license?

Fuel-powered scooters require a driver's license. Classification of fuel-powered scooters: In the "Traffic Law," there are clear regulations for electric scooters, which are classified as non-motor vehicles; however, there are no explicit regulations for fuel-powered scooters. According to the standards of the "Technical Requirements for Safe Operation of Motor Vehicles," fuel-powered scooters should be classified as light motorcycles. The "Technical Requirements for Safe Operation of Motor Vehicles" defines "light motorcycles" as: "Two or three-wheeled vehicles with a maximum speed not exceeding 50 kilometers per hour, regardless of the driving method, and with an engine displacement not exceeding 50 milliliters if an internal combustion engine is used. Implementation standards: According to these regulations, many fuel-powered scooters exceed 50 kilometers per hour, so these vehicles cannot be classified as light motorcycles and indeed fall under the category of motor vehicles. According to the "Road Traffic Safety Law," drivers should register and license their vehicles with the traffic management department, obtain a driver's license, and drive on motor vehicle lanes. Violations should also be penalized as motor vehicle scooters.
13
2
Share

What is the fuel consumption of the Exeed TX 4WD?

Exeed TX 4WD currently consumes 7 liters per 100km (actual measured fuel consumption). In urban areas, it's around 9 liters per 100km and generally doesn't exceed 10. How to calculate car fuel consumption: Fill up the car's gas tank completely and reset the odometer. After driving for a period, refill the tank and note how many liters were added. Then divide the amount of fuel added by the distance traveled to get the fuel consumption per kilometer. Reasons for high fuel consumption: Driver's skill level, improper gear shifting and excessive braking during driving can artificially increase engine power loss. Frequent braking leads to more starts, and starting consumes significantly more fuel. Driving at low temperatures - engines are designed to operate at normal temperatures. If driven without proper warm-up, the engine runs cold, resulting in poor fuel atomization and incomplete combustion.
12
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.