What is firing order in FAW trucks?

The firing order in FAW trucks refers to the specific sequence in which the engine's cylinders receive spark from the ignition system. This sequence is crucial for ensuring that the combustion process occurs in the correct order and timing, which is essential for the engine to run smoothly and efficiently. The firing order is typically determined by the engine's design and configuration, such as the number of cylinders and their arrangement. It is vital to follow the correct firing order to prevent engine misfires and maintain optimal performance.