What are the effects of keeping the exhaust brake on for a long time on a vehicle?

1 Answers
VanSophia
07/29/25 6:50pm
Keeping the exhaust brake on for a long time has no effect on the vehicle. The correct usage of the exhaust brake is as follows: 1. The exhaust brake cannot replace the service brake for emergency braking or be used as a parking brake, but it can be used simultaneously with the service brake; 2. When the exhaust brake is in use, the accelerator pedal should be at the zero position, and the fuel injector stops injecting fuel. Pressing the accelerator or clutch pedal will automatically turn off the exhaust brake to prevent engine stalling when stopping and exhaust brake activation during fuel injection; 3. Do not use the exhaust brake on icy or slippery roads to avoid driving skids and slippage; 4. The braking power of the engine exhaust brake depends on the engine speed. To ensure optimal braking performance, select the appropriate vehicle gear when using the exhaust brake on long downhill slopes.
Was this review help?
8
3
Share
More Forum Discussions

Why Can't BMW Achieve Full Power Transmission?

1. What is the Transmission System: The transmission system generally consists of components such as the clutch, gearbox, universal transmission device, main reducer, differential, and half-shaft. Its basic function is to transmit the power generated by the engine to the driving wheels of the car, producing driving force to enable the car to travel at a certain speed. 2. Understanding "Transmission System Fault": According to the above explanation, a transmission system fault should refer to failures in components like the clutch, gearbox, universal transmission device, main reducer, differential, and half-shaft. However, in reality, apart from these component failures being classified as transmission system faults, many unrelated issues—such as fuel pump, fuel injector, solenoid valve, sensor malfunctions, or even a damaged screw—can trigger a "transmission system fault" warning. 3. Summary of Reasons Why BMW Displays "Transmission System Fault": 1. The onboard computer cannot respond in time, causing the program to malfunction; 2. Fuel pump damage or fuel pump sensor failure; 3. Fuel injector damage; 4. Ignition coil failure; 5. Spark plug damage or carbon buildup; 6. Turbocharger wastegate damage, which may not be the wastegate itself but a clogged internal filter; 7. Incorrect vacuum tube connection on the turbocharger wastegate; 8. Relay burnout in the fuse box on the right side of the rear trunk; 9. VANOS solenoid valve damage; 10. Loose or damaged camshaft position sensor screw.
9
0
Share

What is the actual range of BYD Qin?

The range of BYD Qin varies depending on the model. The high-range luxury version and high-range premium version have a range of 421km, while the travel standard version and travel version offer a range of 400km. The above data represents the range when fully charged, as officially published under NEDC standards. BYD Qin is a high-performance sedan independently developed by BYD Co., Ltd. as part of its second-generation DM series. It measures 4675mm in length, 1770mm in width, and 1500mm in height, with a wheelbase of 2670mm. The range is directly related to the three key electric systems of an electric vehicle: battery, electric drive, and electric control. Battery system: The capacity of the power battery directly determines the range. Additionally, excessively high or low temperatures of the battery system can also affect the range. With the same battery capacity, more stable battery temperatures ensure better range performance. Electric drive system: This mainly includes the drive motor, controller, inverter, and reducer. Its efficiency is determined by the ratio of input power to output power. When the battery capacity is fixed, under the same voltage, the output energy is determined by the efficiency of the drive system. Automakers strive to optimize motor and control efficiency to reduce energy consumption and improve range. Vehicle control system: This primarily coordinates the relationship between the battery, drive system, and brake energy recovery of the chassis. In scenarios involving frequent acceleration and deceleration, the proportion of energy recovery (brake energy recovery) can be dynamically adjusted based on the battery's state and braking demands, thereby enhancing energy utilization efficiency. In addition, the brake energy recovery strategy of electric vehicles can directly increase the vehicle's driving range.
3
5
Share

How much longer can a yellow-plated China III vehicle be driven?

Generally, China III vehicles can be driven indefinitely as there are no mandatory scrappage measures imposed by the state. However, this depends on the traffic restrictions in the specific region. According to policy regulations, vehicles will only be guided for scrappage after reaching 600,000 kilometers. The key factor determining whether a vehicle can be on the road is whether it can pass the annual inspection. Without this unwritten rule, China III vehicles could theoretically still be driven for 48 years. Additional information is as follows: 1. Yellow plates: Yellow plates are for large vehicles; two-wheeled and three-wheeled motorcycles; large buses; and vehicles used for agricultural purposes. 2. China VI standard: The China VI vehicle emission standards refer to the standards established to implement the 'Environmental Protection Law of the People's Republic of China' and the 'Air Pollution Prevention and Control Law of the People's Republic of China,' aiming to prevent pollution from the exhaust of compression-ignition and gas-fueled ignition engine vehicles, protect the ecological environment, and safeguard human health. These standards include two parts: 'Limits and Measurement Methods for Emissions from Light-duty Vehicles (China VI)' and 'Limits and Measurement Methods for Emissions from Heavy-duty Diesel Vehicles (China VI).'
8
1
Share

What kind of engine oil is best for Nissan Sylphy?

According to the official maintenance recommendations for the Nissan Sylphy, it is recommended to use 5W30 engine oil of SL grade or above. It is advisable to use the original factory-specified oil of this specification. As a type of machinery, an engine has common requirements for lubricating oil similar to general machinery, such as appropriate viscosity, certain anti-oxidation, anti-wear, anti-corrosion, and viscosity-temperature performance requirements. However, an engine is also a special type of machinery, and its requirements for lubricating oil have unique aspects. Below is an introduction to the special characteristics of engines: 1. The general requirements for engines are small size, lightweight, compact structure, and high output power, which means the unit friction surface bears a significant load. 2. High-temperature and high-pressure combustion gases in the combustion chamber can leak into the crankcase through the gaps between the piston, piston rings, and cylinder liner. These combustion gases are the result of complete and incomplete combustion of fuel and a small amount of lubricating oil, producing gases and certain particulates (soot), which typically become the main components of crankcase blow-by. These gases can contaminate the lubricating oil and, under certain conditions, accelerate its oxidation. 3. The temperature difference between when the engine is stopped and when it is running for a long time is significant. Additionally, due to the thermal expansion and deformation of parts, it is difficult to control the constant clearance of some friction pairs. This may lead to adhesion and sintering if the clearance is too small, or impact and vibration damage if the clearance is too large. In these cases, the oil film is difficult to adhere. 4. There are various friction pairs in an engine, such as pistons and cylinder liners, crankshaft journals and bearings, cams and followers, gears, etc. Although their requirements for the lubricating performance of the oil are different, only one type of lubricating oil can be used in an engine (except for large marine diesel engines). Therefore, when selecting lubricating oil, multiple lubrication conditions must be considered.
7
0
Share

What does an exclamation mark inside a square box mean?

A square box with an exclamation mark inside indicates a vehicle fault, which is a common fault warning light. Common vehicle warning lights include: 1. Engine: The engine fails to start, mainly due to reasons such as checking whether the distributor, spark plugs, and high-voltage lines are dampened by rain or car washing. Check whether the battery voltage is sufficient. 2. Gear shifting: The vehicle stalls during gear shifting, mainly due to reasons such as the engine idle speed being too low; the idle cutoff valve not being tightened properly, or the plug falling off. 3. Steering wheel: The steering wheel shakes while driving, mainly due to reasons such as whether there are mud, stones, or other debris stuck on the vehicle tires; the tires being deformed after impact or the wheel balance weights falling off; or not performing a four-wheel alignment after replacing the tires.
11
1
Share

What are the generation codes for the BMW 5 Series?

The standard wheelbase model of the new BMW 5 Series is codenamed G30, while the long wheelbase model is codenamed G38. The previous generation BMW 5 Series had the standard wheelbase model codenamed F10 and the long wheelbase model codenamed F18. Below are the specific details about the BMW 5 Series models: 1. Model Positioning: The BMW 5 Series is a mid-to-large luxury sedan under the BMW brand, classified as a C-segment vehicle. The BMW 5 Series is available in both standard and long wheelbase versions, with the long wheelbase version being domestically produced and the standard wheelbase version being imported. 2. Powertrain: The domestically produced BMW 5 Series is equipped with two types of engines: a low-power 2.0-liter turbocharged engine and a high-power 2.0-liter turbocharged engine. The low-power 2.0-liter turbocharged engine delivers a maximum power of 135 kW and a maximum torque of 290 Nm, paired with an 8-speed automatic transmission (8AT). The high-power 2.0-liter turbocharged engine produces 252 horsepower and a maximum torque of 350 Nm, also paired with an 8AT transmission.
11
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.