Which is on and which is off?

Why Are Second-Hand Hyundai Moinca So Cheap?

The price of a second-hand Hyundai Moinca is related to the car's age and condition. Below is a detailed introduction to the Moinca: 1. Exterior: After independent research and development by the technical center, the Moinca model features a more dignified and stable appearance, which aligns well with the understated and reserved aesthetic preferences of Chinese consumers. 2. Powertrain: To match its dignified and stable body design, the Moinca is equipped with a mature 2.0L Hyundai Beta engine—a 16-valve, in-line 4-cylinder DOHC (double overhead camshaft) engine. This engine delivers a maximum power of 101kW/6000rpm and a maximum torque of 180Nm/4500rpm. Its standout performance in its class ensures that the Moinca achieves maximum power output at relatively low RPMs. 3. Transmission: The Moinca features a well-matched 5-speed manual or 4-speed automatic transmission, providing smooth power delivery. During rapid acceleration, it quickly adjusts the RPM accordingly, ensuring ample torque output at low RPMs and improving the vehicle's instantaneous response during takeoff. 4. Suspension: The Moinca is equipped with a double-wishbone front suspension and a multi-link rear suspension, both comprehensively tuned for Chinese road conditions. The higher-cost double-wishbone front suspension automatically adapts to different road surfaces, maximizing tire contact with the ground and ensuring excellent road-holding performance.

16

3

Share

Which Gear is the Driving Gear for Automatic Transmission Cars?

Automatic transmission cars use the D gear as the driving gear. Below is relevant information about the D gear: 1. Gear Introduction: The D gear is one of the most common gears in automatic transmission models, belonging to the forward gear category, covering all forward gears within the vehicle's automatic transmission. When the gear shift lever is placed in the D gear, the hydraulic control system automatically engages the corresponding forward gear oil circuit based on throttle opening signals and vehicle speed signals. The planetary gear transmission system, dual-clutch transmission system, or continuously variable transmission belt system will achieve the corresponding transmission ratio under the control of the actuating mechanism. As the output shaft speed and engine speed change, the system automatically shifts up or down within the forward gears to achieve automatic transmission functionality. 2. Main Purpose: The D gear is the most widely used forward gear in automatic transmission cars. Its primary purpose is to enable the transmission to automatically select the appropriate gear in real-time through the collaboration of the transmission's computer and mechanical structure while the vehicle is moving forward. This eliminates the need for manual intervention in gear shifting, significantly freeing the driver's hands and feet, and enhancing driving convenience, ease, and comfort. 3. Usage Method: To shift from P gear to D gear, firmly press the brake pedal and then quickly move the gear shift lever to the D gear in one motion without pausing at the R gear or N gear. This helps reduce vibration and impact during the gear shifting process.

12

2

Share

What Causes the Persistent Illumination of the Engine Warning Light in the Chevrolet Cavalier?

The persistent illumination of the engine warning light in the Chevrolet Cavalier can be attributed to the following 7 main reasons: Sensor Malfunction: The sensors in question include those for coolant temperature, crankshaft position, air flow, intake air temperature, and oxygen sensors. When these sensors are damaged, have poor connections, or experience signal interruptions, the vehicle's ECU cannot accurately obtain engine data, triggering the engine warning light. Fuel and Oil Quality Issues: Failure to adhere to the manufacturer's specifications for fuel and oil can lead to engine wear, causing the warning light to illuminate. Poor Combustion of Air-Fuel Mixture: Inefficient combustion can result in engine carbon buildup or knocking. Once detected by the oxygen sensor and reported to the ECU, the warning light will activate as an alert. Issues such as faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can all lead to poor combustion. Turbocharger Problems: The intake boost piping and turbocharger can also cause the engine warning light to come on. The most common issue is turbocharger damage, often accompanied by symptoms like oil leaks, excessive oil consumption, reduced power, metallic noises, and blue or black smoke from the exhaust. Intake Issues: Problems with the vehicle's intake system can lead to clogged engine pipes, and in severe cases, trigger the engine warning light. A dirty air filter that hasn't been cleaned regularly can cause intake problems. Exhaust System Issues: Exhaust faults can also illuminate the engine warning light. Common causes include faulty rear oxygen sensors, catalytic converters, exhaust camshafts, and bearing wear, with the catalytic converter being the most frequent culprit. The use of leaded gasoline, lead or silicon-based lubricant additives, physical damage to the catalytic converter, or fuel system malfunctions can all contribute to catalytic converter failure. Anti-Theft System Malfunction: If the vehicle's electronic anti-theft system fails or if there is a mismatch between the anti-theft controller and the engine electronic controller, the anti-theft system can prevent the engine from operating normally, accompanied by the illumination of the engine warning light. Steps to Address the Illuminated Engine Warning Light: First, check if the engine is running normally and look for symptoms such as shaking or black smoke. If present, avoid restarting the engine. Note: Do not restart the engine if the red warning light is on. If the engine can be started, turn it off and wait 5-10 minutes. Without pressing the brake, press the start button once or turn the key halfway to the 'on' position without depressing the clutch. The vehicle will enter self-diagnosis mode upon powering up. After 5-10 seconds, observe whether the warning light on the dashboard turns off. If the warning light remains on, proceed to a service center as soon as possible. Technicians can use a portable diagnostic tool to retrieve fault codes, identify the issue, and perform targeted repairs.

11

4

Share

Which model is the BJ40 convertible version?

The BJ40 convertible version is the City Hunter edition. Below are the relevant details: Configuration: The Beijing BJ40 convertible is also very well-equipped, with comfortable and reassuring genuine leather seats, a steering wheel with a great feel, and overall high operational fluidity, making it easy to drive and get used to. The interior space is spacious, with strong off-road capabilities and high cost-effectiveness. Power: Equipped with a 2.0T 4-cylinder engine, it offers ample horsepower, providing the driver with an excellent driving experience. Whether in terms of off-road performance or daily driving, this car performs exceptionally well.

18

4

Share

What causes the shaking during cold start of a new Polo?

Cold start shaking may be caused by excessive carbon deposits or unstable fuel pressure in the fuel supply system, which can lead to unstable mixture concentration resulting in vibration. Here are relevant explanations: 1. Precautions: If the vehicle has been parked for a long time before cold start, the fuel lines may become vacuum with no fuel, and prolonged parking can cause gasoline oxidation and oil-water separation, leading to shaking. 2. Throttle troubleshooting: If the vehicle shakes severely at idle, try gently pressing the accelerator. If the shaking disappears after pressing the accelerator, it's likely that the throttle is dirty and needs cleaning.

2

5

Share

Why is Audi the Cheapest Among BBA?

The reasons why Audi is the cheapest among BBA are as follows: Brand Influence: There are two more intuitive factors. First is brand influence. Both Mercedes-Benz and BMW are well-known German luxury brands, while Audi, although also from Germany, is under the Volkswagen Group and started relatively late. Many people have reservations about Audi's identity. More Mainstream Positioning: Secondly, Audi's positioning is more mainstream. Audi offers many promotional activities with significant discounts, targeting a much broader end market. Many people perceive Mercedes-Benz and BMW as cars for bosses and the wealthy, while Audi, in comparison, seems more ordinary.

2

1

Share

Which is on and which is off?

Why Are Second-Hand Hyundai Moinca So Cheap?

Which Gear is the Driving Gear for Automatic Transmission Cars?

What Causes the Persistent Illumination of the Engine Warning Light in the Chevrolet Cavalier?

Which model is the BJ40 convertible version?

What causes the shaking during cold start of a new Polo?

Why is Audi the Cheapest Among BBA?

What could be the reasons why the Buick GL8 won't start?

Do Sedans Need to Install Static Eliminator Straps?

How Often Should a Sedan Be Driven?

Are green license plate vehicles subject to traffic restrictions?