What are the differences between the Rolls-Royce Phantom and Ghost?

What are the functions of different gears?

Introduction to the functions of car gears is as follows: 1. N gear (neutral): Neutral gear, which functions the same as the neutral gear in a manual transmission, used for temporary parking. Another function is that if the engine suddenly stalls while driving and you want to restart the engine while moving, you need to shift into N gear. 2. P gear (parking): Parking gear, used when the engine is turned off for parking or the car is stationary. When the vehicle is stopped, you need to shift into P gear to power off, remove the key, and lock the doors. 3. D gear (drive): Drive gear, used for driving on general road surfaces, also one of the most commonly used gears. It can automatically switch to a comfortable working state based on road conditions and vehicle speed.

5

Share

What Causes Weak Engine Cranking but Still Able to Start?

Weak engine cranking during startup can be attributed to the following malfunctions: 1. Battery: Due to long-term undercharging, lack of electrolyte, or overcharging, the battery's storage capacity deteriorates. This results in weak starter motor performance after each engine shutdown and during subsequent startups. 2. Starter Motor: Prolonged usage leads to excessive wear of internal copper sleeves, rotor scraping, or contact point erosion in the engagement switch, causing weak cranking power. 3. Alternator: Issues like worn voltage regulators or carbon brushes cause the alternator to produce either excessive or insufficient power output. Excessive charging can lead to battery overheating or electrolyte depletion over time, damaging the battery and causing weak cranking. Insufficient charging keeps the battery in a chronically undercharged state, resulting in weak starter motor performance during startups.

20

3

Share

Which Brand Does the Crown Belong To?

Crown is a mid-to-large-sized automobile brand under the Toyota Group. Below is relevant information about the Toyota Crown: 1. The domestically produced Crown comes with three engine options: 2.5L, 3.0L, and 4.3L. The first two feature a V6 cylinder 24-valve design, while the 4.3L engine is a V8 configuration, equipped with the Dual-VVT-i dual intelligent variable valve timing system. This significantly enhances the engine's air intake efficiency, fuel economy, and power performance, delivering even stronger horsepower. 2. In terms of active safety, the new Crown incorporates advanced braking technology and excellent driving assistance features, including the TRC traction control system, VSC vehicle stability control system, and VDIM vehicle dynamics integrated management system, ensuring optimal traction under various road conditions. For passive safety, the new Crown adopts the world-class GOA body technology, with a standard configuration of 11 airbags, including side curtain airbags and knee airbags.

11

2

Share

Which is more fuel-efficient, the Geely Vision or the Arrizo 5?

The fuel consumption of the Vision and the Arrizo 5 is very close, and both models are relatively fuel-efficient. The Vision's fuel consumption is generally around 7-8L per 100 kilometers, while the Arrizo 5's fuel consumption is approximately 8-9L. Here is more information about the 2018 Vision: 1. Model: The model is positioned as a compact car. 2. Body dimensions: The length, width, and height are 4599/1747/1482mm, respectively, with a wheelbase of 2615mm. 3. Powertrain: The entire lineup is equipped with a 1.5L inline 4-cylinder naturally aspirated engine, paired with either a 5-speed manual or a 4-speed automatic transmission. The maximum power is 80KW, the maximum horsepower is 109PS, and the maximum torque is 140N·m.

7

3

Share

What Causes Abnormal Noise from the Exhaust Pipe at Idle Speed?

The reasons for abnormal noise from the exhaust pipe at idle speed are as follows: 1. Damage to the muffler and exhaust pipe: Symptoms include hearing abnormal noise from the exhaust pipe when pressing the accelerator pedal. The noise may not be very loud, and the car may drive normally, but fuel consumption increases. Sometimes, noise may also come from the front section. 2. Aging of the heat shield: Symptoms include abnormal noise from under the engine during low-speed driving or when accelerating, especially in colder weather. It is recommended to lift the car and check if there is a heat shield between the exhaust pipe and the ground. The noise may be caused by the aging of the heat shield, and replacing it can solve the problem. 3. Damage to the exhaust pipe: Symptoms include abnormal noise when turning or moving forward, often originating from the damaged front wheel drive shaft joint.

8

5

Share

Why doesn't the tire leak when punctured?

The reason why a punctured tire doesn't leak air: Most cars are equipped with tubeless tires, which have an additional rubber sealing layer about 2-3 mm thick on the inner wall of the tire, providing a certain level of protection. Here are precautions for using tubeless tires: 1. Check tire pressure with a pressure gauge: Tubeless tires must maintain the specified air pressure. Made of high-quality rubber, they have good elasticity and flexibility, with a wide range of adaptability to air pressure. Even at high pressure, they don't feel as hard as ordinary tires, so tire pressure should be checked with a pressure gauge. 2. Road condition requirements: Tubeless tires perform well on asphalt and concrete roads, maintaining strong traction and good stability even on wet surfaces. However, they have poor traction and stability on dirt roads, especially muddy ones. Motorcycles with tubeless tires are best used in urban areas and are not suitable for driving on rural dirt roads.

3

Share

What are the differences between the Rolls-Royce Phantom and Ghost?

What are the functions of different gears?

What Causes Weak Engine Cranking but Still Able to Start?

Which Brand Does the Crown Belong To?

Which is more fuel-efficient, the Geely Vision or the Arrizo 5?

What Causes Abnormal Noise from the Exhaust Pipe at Idle Speed?

Why doesn't the tire leak when punctured?

Where is the OBD interface of the Buick Excelle?

What does yielding when meeting vehicles mean?

What is the reason for the left side being too wide when reversing into the parking space?

Where to Insert a USB Drive in Audi Q3?