What is the fuel consumption of the 2021 Song Plus DM-i hybrid model?

Is it necessary to install ETC for cars?

It is necessary to install ETC. According to the regulations of the State Council, vehicles without ETC in 2020 will not enjoy toll discounts. In the future, only one manual lane will be retained at highway toll stations, and tolls can only be paid through manual channels. Additionally, newly installed ETC devices cannot be used on highways immediately; they need to be activated first. During free holiday periods, ETC users can still use highways, and passing through ETC lanes will not incur charges. ETC Billing Principle: There will be one or more ETC lanes on highways. Through microwave short-range communication between the vehicle's electronic tag installed on the windshield and the microwave antenna in the ETC lane, computer networking technology is used for backend settlement with banks. This allows vehicles to pay tolls without stopping at toll stations, all based on the principle of "pass first, deduct later." Benefits of Installing ETC: Time-saving: Eliminates the hassle of waiting in queues; Green and eco-friendly: Low-carbon solution that reduces noise and exhaust emissions by eliminating stops at toll stations; Reduced wear and tear: Saves costs by minimizing frequent starts and brakes, lowering vehicle wear and fuel consumption; Improved efficiency: ETC lanes can theoretically increase vehicle throughput by 2-3 times, making traditional ETC faster, more advanced, and more efficient. Compared to license plate payment, ETC technology is more mature and advantageous. More policy support: The State Council explicitly stated in the "13th Five-Year Plan for the Development of a Modern Comprehensive Transportation System" that "by 2020, key city clusters should achieve interoperability of transportation smart cards, and the proportion of vehicles equipped with ETC should significantly increase." It also set a target in the "13th Five-Year Plan" for comprehensive transportation development: "By 2020, the ETC usage rate for road passenger vehicles should reach 50%." Future possibilities: In addition to continuously improving the convenience of ETC installation and usage rates for passenger vehicles, future efforts will include promoting ETC for trucks and exploring deeper integration of ETC systems with vehicle-to-vehicle communication, vehicle-to-infrastructure coordination, and other smart transportation developments. This will provide car owners with comprehensive travel services, meaning more application scenarios will support ETC usage.

1

4

Share

What are the causes of engine misfire in cylinder one?

Engine misfire in one cylinder may be caused by the following reasons: 1. Ignition system failure: Ignition system failure is the main cause of engine misfire in one cylinder. Ignition system failures include spark plug failure, ignition coil failure, fuel injector failure, etc. When there is a problem with the car's ignition system, the fuel and air mixture cannot be ignited normally, leading to engine misfire, which can result in reduced car power, engine vibration, and other issues. In this case, the car's ignition system should be inspected, and spark plugs should be replaced immediately, along with cleaning the fuel lines. 2. Wiring system: If one cylinder of the car misfires but there is no engine vibration, it is mostly due to wiring issues. In this situation, the car's wiring should be checked for any short circuits or open circuits and repaired promptly. 3. Engine failure: There are many reasons for engine failure, including excessively high engine temperature, poor engine oil quality, etc. This situation is quite complex and requires professional inspection at a repair shop or 4S store.

6

4

Share

What is the difference between the Golf R and GTI?

GTI is the sport version of the Golf, while R is the true performance version. These two models are not in the same class, with the GTI's guide price under 240,000 and the R's guide price over 400,000. The former accelerates from 0-100 km/h in 7 seconds, while the latter does it in 5 seconds. The former is front-wheel drive, and the latter is all-wheel drive. Below are the differences between the Golf R and GTI: 1. The GTI is domestically produced by FAW-Volkswagen, while the Golf R is imported. 2. GTI: Price 239,900; 2.0T; 220 horsepower, 350 N·m torque; 7-speed dual-clutch; 0-100 km/h in 6.46 seconds; dual exhaust pipes. R: Price 407,800; 2.0T; 280 horsepower, 380 N·m torque; 6-speed dual-clutch; 0-100 km/h in 4.96 seconds; quad exhaust pipes. 3. The GTI is a high-performance version with excellent handling and power, while the R is a super performance version with increased power and torque, better chassis tuning, and a more wild and passionate feel. The GTI's level is lower than the R's.

3

2

Share

What suspension does the Savannah use?

The Savannah uses a double-wishbone independent suspension for the front suspension and a multi-link non-independent suspension for the rear suspension. This vehicle also features a body-on-frame design. Below is relevant information about the Savannah's suspension: 1. The double-wishbone independent suspension is a relatively common type of suspension. This suspension has a complex structure, higher costs, and occupies a large amount of space. The double-wishbone independent suspension consists of two wishbones connected by a linkage. It can effectively control the body's roll amplitude and reduce the nose-dive phenomenon during braking. 2. In an independent suspension, there is no connection between the two wheels on the same axle. Since the movement of these wheels does not interfere with each other, independent suspensions generally offer better handling and comfort.

3

0

Share

How Often Should Nissan CVT Transmission Fluid Be Changed?

Nissan CVT transmission fluid should be changed approximately every 40,000 to 60,000 kilometers, and it is necessary to use the manufacturer-specified fluid. If inspection reveals poor fluid quality—such as darkening, foul odor, sludge formation, or metal shavings—replacement is required. The interval may vary slightly by model, but it is generally advised not to exceed 100,000 kilometers. Below are key points about CVT transmission fluid maintenance: 1. CVT transmission fluid operates under harsh conditions, facing high temperatures and pressures that accelerate oxidation. Moisture absorption from the air can also degrade the fluid, impairing its cleaning, lubricating, and cooling functions. Symptoms like sluggish acceleration, rough shifting, or poor performance may indicate the need for a fluid change. 2. Although CVT transmissions differ in structure and operation from manual or automatic transmissions, all rely on friction for power transfer, inevitably generating metal particles. Over time and mileage, these particles accumulate. Without timely fluid and filter changes, they can clog solenoids, reduce lubrication efficiency, and even block oil passages, leading to transmission failure. 3. For most Nissan CVT transmissions, a gravity drain typically requires about 6 liters of specialized fluid. For thorough cleaning, removing and washing the transmission pan and internal filter screen is recommended to ensure optimal debris removal.

18

2

Share

How Often Should the Three-Way Catalytic Converter Be Replaced?

The three-way catalytic converter does not have a fixed replacement interval and only needs to be replaced when it fails. Under normal usage, the three-way catalytic converter does not require replacement—only regular cleaning is necessary. However, if the converter's housing is damaged or particulate matter is emitted from the exhaust tailpipe, replacement is required. Below is additional information about the three-way catalytic converter: 1. If your car experiences issues such as increased fuel consumption, sluggish acceleration, difficulty in raising RPM, or even starting problems during use, the condition of the three-way catalytic converter should be inspected. Cleaning and unclogging the converter can restore normal fuel efficiency and performance. 2. If you hear a hissing or gurgling noise when accelerating or detect a pungent, foul odor during idling or acceleration, the catalytic converter may be malfunctioning, and immediate inspection at a 4S shop is recommended. 3. The three-way catalytic converter is an external purification device that converts harmful exhaust gases such as CO, HC, and NOx into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions.

7

1

Share

What is the fuel consumption of the 2021 Song Plus DM-i hybrid model?

Is it necessary to install ETC for cars?

What are the causes of engine misfire in cylinder one?

What is the difference between the Golf R and GTI?

What suspension does the Savannah use?

How Often Should Nissan CVT Transmission Fluid Be Changed?

How Often Should the Three-Way Catalytic Converter Be Replaced?

How many chances are there for each driving test subject two exam?

How to Check the Current Location of a Vehicle with a License Plate Number?

What to Do When Car Windows Are Frozen Shut?

Should New Tires Be Placed on the Front or Rear Wheels?