How to Switch Between No Load, Medium Load, and Heavy Load?
2 Answers
The switching between no load, medium load, and heavy load should be adjusted according to the cargo status, which helps balance power performance and fuel economy. Sometimes, no load, medium load, and heavy load are represented by numbers 0, 1, and 2, referring to the fuel-saving switch on the dashboard. This feature is commonly found in trucks equipped with high-pressure electronic injection diesel engines meeting China III or higher emission standards. Below are the selection criteria for the fuel-saving switch positions: 1. For trucks: no load is <15 tons, 15 tons < medium load <25 tons, 25 tons < full load. 2. For tractors: no load is <20 tons, 20 tons < medium load <30 tons, 30 tons < full load. The switch needs to work with the electronic control unit (ECU). When a fuel-saving position is selected, the ECU will limit the engine's torque and speed according to the command, thereby reducing additional power loss to achieve fuel-saving purposes.
I've been driving for ten years and encountered various load conditions. Switching between empty load, medium load, and heavy load modes is actually quite simple. In most modern vehicles, after starting the car, check if there's a driving mode button on the center console or near the steering wheel. Press it, and the screen will display options like empty load (light load), medium load (normal load), and heavy load (full load). Before switching modes, I always make sure to stop the car for safety—never do it while moving at high speed. Switching modes can improve suspension and stability. For example, when traveling with a full car, switching to heavy load mode makes the vehicle more stable and reduces sway. Remember to maintain this function regularly to prevent dust from clogging the button. I've also found that switching modes can save some fuel, especially when driving long distances with an empty load. In short, taking a minute to familiarize yourself with the settings makes driving much more comfortable.
