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Are the Passive Wheels the Front or Rear Wheels?

1 Answers
OLeila
07/30/25 5:03am
Passive wheels are generally the front wheels if the vehicle is front-wheel drive, where the front wheels are the driving wheels and the rear wheels are the passive wheels. For rear-wheel drive vehicles, the front wheels are the passive wheels, and the rear wheels are the driving wheels. Below is some relevant information about driving wheels: Function: Driving wheels convert the energy from the car's engine into kinetic energy, enabling the vehicle to move forward or backward. Passive wheels, on the other hand, do not provide any power and merely serve a supportive role. The rotation of passive wheels is driven by other driving wheels. Principle: The driving wheels of a car are connected to the drive axle and provide the force needed for forward motion. The power from the car's engine is transmitted through the gearbox to the drive axle, which then transfers it to the driving wheels. Therefore, the drive axle not only supports the vehicle's weight but also supplies the power for driving. When the car moves forward, the driving wheels are the two front wheels, while the two rear wheels act as passive wheels, providing support without contributing to propulsion.
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Why Has the Fuel Consumption of BMW 3 Series Suddenly Increased?

There are several reasons for increased vehicle fuel consumption, including insufficient tire pressure, increased carbon deposits, and abnormal oxygen sensor. Below are detailed explanations: 1. Insufficient Tire Pressure: Insufficient or low tire pressure increases the friction between the tires and the ground, leading to greater resistance and higher fuel consumption. 2. Increased Carbon Deposits: Poor-quality gasoline can lead to increased carbon deposits. Excessive carbon deposits can roughen the intake pipe walls, affecting the intake efficiency and the quality of the air-fuel mixture, causing a significant rise in fuel consumption. Therefore, gasoline quality should not be overlooked, and it is essential to clean carbon deposits every six months. 3. Abnormal Oxygen Sensor: This ceramic component, located on the engine's exhaust pipe, is used to detect and control the ratio of oxygen to fuel. After prolonged use, the electronic fuel injection system's computer may fail to receive information about the oxygen concentration in the exhaust pipe, often resulting in a higher concentration of the air-fuel mixture in the engine and increased fuel consumption. Therefore, it is necessary to regularly check the condition of the oxygen sensor, which typically needs replacement at 80,000 to 110,000 kilometers.
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What are the reasons for the relatively high fuel consumption of the Baojun 730?

The reasons for the relatively high fuel consumption of the Baojun 730 include insufficient tire pressure, abnormal oxygen sensor, and driving conditions. The following are detailed explanations: 1. Insufficient tire pressure: Insufficient or low tire pressure increases friction between the tires and the ground, leading to greater resistance and higher fuel consumption. Severe tire wear can also cause frequent slipping, which similarly increases fuel consumption. 2. Abnormal oxygen sensor: This is a ceramic component located on the engine's exhaust pipe, used to detect and control the ratio of oxygen to fuel. After prolonged use, the computer of the electronic fuel injection system may fail to receive information about the oxygen concentration in the exhaust pipe, often resulting in a higher concentration of the air-fuel mixture in the engine, which also increases fuel consumption. 3. Driving conditions: Congested driving conditions can also lead to higher fuel consumption, as the engine requires more work to move the vehicle from a standstill, resulting in increased fuel injection.
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Is the 4J11 engine imported?

4J11 engine is imported, 4J11 engine is produced by Mitsubishi in Japan, pure original import. 4J11 engine is a 2.0L naturally aspirated engine developed by Mitsubishi; At the same time, there is also a sister engine with the code name 4J12, a 2.4L naturally aspirated engine, both of which are currently installed on the Outlander model. The new generation 4J series engine is equipped with MIVEC technology upgraded to variable valve timing and continuously variable valve lift technology, which ensures sufficient power output while also ensuring good fuel economy. In addition, this engine has been optimized for noise in different ranges of low, medium and high speeds, making the vehicle achieve a quiet driving state. Engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, electric motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The engine is suitable for both the power generating device and the entire machine including the power device (such as gasoline engine, aircraft engine). The engine was first born in the UK.
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What is the size of the Sagitar's wheel hub?

Sagitar's wheel hub is 17 inches. The wheel hub is the rotating part of the wheel core connected by pillars inside the tire's inner rim, which is the metal component supporting the center of the tire mounted on the axle. Taking the 2021 Sagitar as an example, it is a compact car with body dimensions of: length 4753mm, width 1800mm, height 1462mm, wheelbase 2731mm, minimum ground clearance 108mm, and curb weight 1355kg. The 2021 Sagitar features a front MacPherson independent suspension and a rear multi-link independent suspension. It is equipped with a 1.2T turbocharged engine, delivering a maximum horsepower of 116PS, maximum torque of 175Nm, and maximum power of 85kW, paired with a 5-speed manual transmission.
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How to Install Navigation in the Sylphy?

The method for installing navigation in the Sylphy is as follows: 1. First, remove the original car's cover plate, usually in order from left to right; 2. Remove the air vent, operate in order from left to right, and remove the air vent fixing screws; 3. Remove the panel. During operation, you can first loosen the panel with a pry bar and then remove it; 4. Disconnect the vehicle's emergency light switch plug and remove the original car CD; 5. Install the new navigation DVD display; 6. After installation, start wiring, connect the air conditioning control line, display connection line, and emergency light switch connection line to complete the wiring. Taking the 2021 Sylphy as an example, it is a compact car with body dimensions of length 4631mm, width 1760mm, height 1503mm, and a wheelbase of 2700mm.
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The function of the car's carbon canister solenoid valve is to reduce air pollution caused by fuel evaporation emissions while increasing fuel efficiency. When the car starts, the solenoid valve opens, releasing the adsorbed fuel vapor into the intake manifold, which then enters the engine for combustion. The solutions for a damaged carbon canister solenoid valve are: 1. Clean the fuel tank exhaust system; 2. Clean or replace the carbon canister solenoid valve. The working principle of the carbon canister solenoid valve is: it controls the purification function of the carbon canister through the modulation of electrical pulse width. The ECU computer, based on different engine operating conditions, grounds the solenoid valve circuit at a certain frequency to turn it on or off. The ECU computer controls the vacuum of the purification carbon canister by operating the normally closed solenoid valve.
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