How to Determine the Soot Loading of a Diesel Vehicle's DPF?

1 Answers
SabrinaDella
07/30/25 12:25am
A calculation method for soot loading in diesel engine DPFs based on pressure drop, which includes parameters such as exhaust temperature before the DPF and exhaust temperature after the DPF. The most direct method to determine the soot loading of a DPF is to weigh the DPF both unloaded and after loading.
Was this review help?
11
0
Share
More Forum Discussions

Can tires with uneven wear still be used?

Tires with uneven wear should not be continued to be used. Upon discovering uneven wear, promptly identify the cause and correct it to extend the tire's service life and reduce the risk of blowouts. Uneven wear refers to the abnormal accelerated wear on the inner or outer side of one or several tires. Causes of uneven tire wear include incorrect tire pressure, improper wheel alignment, and frequent vehicle overloading. Methods to extend tire life: Maintain the habit of regularly checking tire pressure: Tire pressure is crucial for extending tire life. Low pressure increases tire deformation, leading to cracks on the sidewalls, excessive heat generation, rubber aging, and fatigue or breakage of the cord layers. Check tire wear condition: Perform tire rotation. Rotating the tires ensures even wear across all four tires, preventing excessive wear. Replace tires promptly when wear is severe. Develop the habit of regularly removing foreign objects from tires: While driving, small stones often get lodged in the tread grooves. If not removed promptly, these stones can puncture the tire over time, causing leaks or blowouts. Adopt scientifically sound driving habits: When driving on roads with significant camber, try to stay in the center to avoid or reduce vehicle weight shift, minimizing uneven tire wear due to increased load on one side. Maintain accurate wheel alignment: Front wheel alignment significantly impacts tire lifespan, with toe-in and camber being the primary factors. Excessive camber accelerates shoulder wear (uneven wear), while incorrect toe-in mainly accelerates wear on the inner or outer edges of the tire.
5
4
Share

Why Won't the H6 Start When the Hill Descent Control Fails?

Here are the main reasons why the H6 won't start when the hill descent control fails: 1. Excessive carbon deposits and dirt in the idle motor, intake tract, intake valve, and combustion chamber change the cross-sectional area of the air passage, resulting in an overly rich or lean mixture, causing abnormal combustion or engine shaking after starting, or even preventing the engine from starting. 2. Issues with the fuel injector, such as leaks or excessive carbon deposits, can cause the mixture to be too lean during startup, making it difficult to start. 3. A faulty carbon canister or carbon canister solenoid valve can also make starting difficult. Additional information: The solution to the H6 hill descent control failure is to take it to a 4S shop for repair. First, the fault code needs to be read to quickly determine the cause and location of the fault, and then the problem can be resolved based on the situation.
9
2
Share

How to use the cruise control on Jetta VS5?

The cruise control button is located on the left side of the steering wheel. Press the SET key to successfully activate cruise control, and press the cancel key to deactivate it. Here is more information about cruise control: 1. The cruise control system is abbreviated as CCS, also known as a speed control device, speed control system, or autonomous driving system. 2. Its function is to maintain the speed set by the driver without the need to press the accelerator pedal, allowing the vehicle to travel at a fixed speed. Using this device during long highway drives reduces driver fatigue by eliminating the need to control the accelerator pedal, while also minimizing unnecessary speed changes and saving fuel. 3. If cruise control is no longer needed while driving or if you want to reset the cruise speed, switch the control to cancel. This will temporarily deactivate cruise control and delete the cruise speed data.
12
4
Share

Where is the USB port located in the Cadillac CT6?

The Cadillac CT6 is equipped with a USB port inside the center console for connecting a USB drive. Below is an introduction to the Cadillac CT6: 1. Overview: The Cadillac CT6 is a premium luxury sedan from the Cadillac brand, designed to succeed the market space of the Seville SLS. It made its global debut at the New York Auto Show in April 2015 and was launched in the North American market in 2016. 2. Dimensions: The Cadillac CT6 measures 5223/1879/1492mm in length, width, and height, with a wheelbase of 3109mm. 3. Powertrain: It is powered by a 2.0T engine, delivering a maximum power of 174kW (237 horsepower) and a peak torque of 350Nm.
1
5
Share

How to Coordinate the Brake and Clutch in a Car?

The coordination of the brake and clutch in a car is as follows: 1. When starting the car, first quickly release the clutch pedal to rapidly reduce the gap between the clutch pressure plate and the friction plate. Then slowly release the clutch pedal. When you feel the engine slightly vibrating, you have reached the clutch engagement point. At this point, slightly press the accelerator and continue to slowly release the clutch pedal. Once the clutch is fully engaged, quickly and completely release the clutch pedal. 2. When shifting gears while driving, operate the clutch pedal by quickly pressing it down and lifting it up. Avoid half-clutch engagement, as this will accelerate the wear of the clutch plates. 3. During normal driving, do not rest your left foot on the clutch pedal for extended periods, as this can lead to rapid wear of the clutch plates.
3
2
Share

Can alcohol be used for disinfection inside a car?

Alcohol can be used for disinfection inside a car. Different concentrations of alcohol serve different purposes. To achieve a disinfecting and sterilizing effect, you need to purchase medical alcohol with a concentration of 75%. Car owners should also pay attention to certain aspects when using alcohol for disinfection. Due to the high concentration of alcohol and its rapid evaporation, 75% ethanol disinfectant has a flash point of around 22°C, so it is important to maintain ventilation inside the car. Additional information: 1. It is best to use a towel dipped in alcohol to wipe the interior of the car instead of directly spraying alcohol inside, as this avoids excessive alcohol concentration in the air, which poses a fire risk. When wiping the interior of the car, remember to turn off the engine first and wait until the engine and interior equipment have stopped working before proceeding. 2. Since alcohol is an organic solvent, car owners with leather interiors should avoid wiping leather materials, as this can damage the interior. Additionally, chrome-plated and painted parts inside the car may fade due to alcohol corrosion, so car owners should also avoid wiping these areas when cleaning the interior.
4
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.