When it comes to car preheating, it’s not unfamiliar. From the literal meaning, preheating is actually a warm-up preparation for the car engine before normal operation, which can achieve the ideal usage state during use. There has always been controversy about whether the preheating is in place or when the vehicle is started, so which of these two methods is better?
Preheating in place does not have any load on the engine. The engine only injects fuel and burns. Without a load, it is easy for the engine to not burn better after a long time of preheating in place, resulting in carbon deposition. However, slowly starting the vehicle for preheating is different from preheating in place. Slowly starting the engine does not mean it is in an idle state. From a work perspective, The engine has power output, and the mixture will burn more fully. From this perspective, it can avoid the occurrence of carbon deposition.
From another perspective, when the engine operates at a relatively high temperature while the vehicle is slowly moving, the lubricating oil can quickly establish the corresponding pressure, avoiding the lack of lubricating oil on various working surfaces due to the slow flow of the oil during preheating in place, insufficient pressure, and relative thinning, especially on working surfaces with friction such as shafts and bearings, which are prone to early wear.
Overall, for small cars, it is recommended to slowly start and preheat them when in use, to avoid carbon buildup and the impact of insufficient oil pressure on the lubrication of parts.
Post time: Jun-26-2023