Does Engine Start-Stop Technology Harm the Engine?

1 Answers
LauraFitz
07/30/25 12:06am
Most wear and tear on a car engine comes from the instantaneous friction during cold starts. Generally speaking, the engine relies on oil film lubrication internally. The duration of automatic start-stop is very brief, and the oil pumped up by the oil pump to adhere to the inner surface of the engine cylinder does not completely flow back, leaving a significant amount of oil on the components. Under hot start conditions, it does not have any adverse effects on the engine. Below is an introduction to engine auto start-stop: 1. Currently, the vast majority of automotive manufacturers have conducted extensive endurance tests when introducing automatic start-stop devices, including the number of switches for components such as the engine ignition switch and starter, all of which are well below the theoretical lifespan. Therefore, the engine start-stop device will not damage your vehicle. 2. Additionally, many manufacturers have included a manual shut-off feature, allowing concerned owners to manually disable the function if they wish.
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