What is the difference between a 2600mm and 2700mm wheelbase?

What is the difference between engine horsepower and wheel horsepower?

Engine horsepower refers to the power output from the engine, while wheel horsepower is the power measured at the wheels. The main difference between the two is that engine horsepower is greater than wheel horsepower because there are losses in the vehicle's drivetrain. Power is transmitted through the drivetrain to the wheels, and some power is lost during this transmission process. More details are as follows: 1. Horsepower is essentially power, which measures how much work an engine can perform per unit of time. The greater the engine's power, the better its performance, but fuel consumption also increases. Engine power is related to both RPM and torque. 2. Torque is another important performance parameter of an engine. Torque measures the rotational force produced per power stroke. Higher RPM means the engine performs more power strokes per unit of time, while higher torque means greater rotational force per stroke. 3. To increase engine power, you can either raise the RPM or increase the torque. Most civilian vehicles improve power by increasing torque, whereas racing engines typically achieve higher power by increasing RPM.

16

2

Share

What does cruise mean in a car?

cruise refers to the car's electronic cruise control system, which mainly consists of four parts: the command switch, sensors, cruise control system ECU, and throttle actuator. Here are some additional details: 1. For safety reasons, do not use the cruise control system in heavy traffic, on slippery roads such as rain, ice, or snow, or during severe weather conditions like strong winds or heavy rain. 2. To prevent accidental activation of the cruise control system, always turn off the cruise control switch (CRUISE-ON-OFF) when not in use. 3. When driving on steep slopes, the cruise control system should be turned off immediately. Otherwise, it may cause excessive engine speed fluctuations, potentially damaging the engine.

19

1

Share

What is the maximum age for elderly drivers?

Different vehicles have different age restrictions: 1. For individuals aged 60 or above, they are not allowed to drive large buses, tractors, urban buses, medium-sized buses, large trucks, trolleybuses, or trams; those holding a driver's license for large buses, tractors, urban buses, medium-sized buses, or large trucks must go to the vehicle management office at the place where the motor vehicle driver's license was issued or elsewhere to exchange it for a license that permits driving small cars or small automatic transmission cars. 2. For individuals aged 70 or above, they are not allowed to drive low-speed trucks, three-wheeled cars, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, or wheeled self-propelled machinery; those holding a driver's license for ordinary three-wheeled motorcycles or ordinary two-wheeled motorcycles must go to the vehicle management office at the place where the motor vehicle driver's license was issued or elsewhere to exchange it for a license that permits driving light motorcycles.

15

3

Share

Why does the engine warning light sometimes come on and sometimes not?

The engine warning light may illuminate for the following 7 main reasons: Sensor malfunction: This includes sensors such as coolant temperature, crankshaft position, air flow, intake temperature, and oxygen sensors. When these sensors are damaged, have poor contact, or experience signal interruption, the vehicle's ECU cannot accurately obtain engine data, triggering the engine warning light. Fuel/oil quality issues: Failure to use the fuel and engine oil specified by the manufacturer may cause engine wear, leading to the warning light activation. Poor fuel mixture combustion: Incomplete combustion can cause engine carbon buildup or knocking. When detected by oxygen sensors and reported to the ECU, the warning light will illuminate. Causes include spark plug failure, ignition coil issues, fuel pump malfunction, or clogged fuel lines. Turbocharger problems: Issues with the intake boost piping or turbocharger can trigger the warning light. Common symptoms include turbocharger damage accompanied by oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black exhaust smoke. Intake system issues: Air intake problems may lead to engine pipe blockages, potentially triggering the warning light. A dirty air filter that hasn't been regularly cleaned can cause intake problems. Exhaust system faults: Exhaust issues may also activate the warning light. Common causes include rear oxygen sensor failure, catalytic converter problems, or exhaust camshaft/bearing issues - with catalytic converter failure being most frequent. Causes include using leaded gasoline, lead/silicon-based lubricant additives, physical damage to the converter, or fuel system malfunctions. Anti-theft system malfunction: If the vehicle's electronic anti-theft system fails or the anti-theft controller doesn't match the engine ECU, the system may prevent normal engine operation while illuminating the warning light. When the engine warning light appears, follow these steps: First check if the engine is operating normally - look for vibrations, black smoke, etc. If present, avoid restarting the engine. Note: Never restart if the red warning light is on. If the engine can start, turn it off for 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 perform a self-diagnostic check - observe if the warning light turns off after 5-10 seconds. If the light remains on, visit a service center promptly. Technicians can use diagnostic tools to read trouble codes and perform targeted repairs.

2

3

Share

What is a car DSP?

Automotive DSP, the full name is Digital Audio Processor. DSP is the abbreviation of Digital-Signal-Processing in English, which translates to: digital signal processing. The following is a detailed introduction to DSP: 1. The function of DSP is to control frequency response, and it can process and modify audio signals to a certain extent. It can be understood this way: music is an audio signal, audio signals come from car head units, CD players, navigation systems, etc. The audio signal is played through the amplifier from the speakers, and it needs to be modified by the DSP in between. If the audio source is the first step and the amplifier is the last step, then the DSP is in between the two. 2. However, it should be noted that even though DSP can "modify" sound, if the original sound quality is poor, no amount of "modification" will make a significant difference. Therefore, don't expect that installing a DSP will make the sound comparable to those top-brand audio systems.

5

1

Share

When Will China IV Emission Standard Be Implemented?

China IV emission standard was originally scheduled to be implemented on January 1, 2010. For diesel vehicles over 3.5 tons, the China IV standard was postponed for two years; for diesel vehicles under 3.5 tons, it was delayed for three years, with the China IV standard being implemented on July 1, 2013. Introduction to China IV Emission Standard: 1. The China IV emission standard is the fourth stage national standard for motor vehicle pollutant emissions. 2. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), PM (particulate matter), etc. Through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, the standard aims to control and reduce vehicle emissions below specified limits. 3. The "Standardization Law of the People's Republic of China" categorizes Chinese standards into four levels: national standards, industry standards, local standards (DB), and enterprise standards (Q/). As of the end of 2003, China had a total of 20,906 national standards (excluding engineering construction standards).

16

3

Share

What is the difference between a 2600mm and 2700mm wheelbase?

What is the difference between engine horsepower and wheel horsepower?

What does cruise mean in a car?

What is the maximum age for elderly drivers?

Why does the engine warning light sometimes come on and sometimes not?

What is a car DSP?

When Will China IV Emission Standard Be Implemented?

What does BMW iim mean?

Can BYD DM-i Get Green License Plates in Beijing?

Which Consumes More Fuel: 2WD or 4WD?

How to Calculate Vehicle Purchase Tax in 2020?