What Causes the Yellow Oil Light on the Dashboard to Illuminate?

1 Answers
LillianaLee
07/30/25 5:52am
Generally, a yellow light is a warning and not a serious issue, but it is important to promptly check the engine. The owner can continue driving to a repair shop to add some oil and perform maintenance checks. Below is relevant information: Meaning: The yellow oil light indicates insufficient oil. If the vehicle has not yet reached its scheduled maintenance time, it serves as a reminder for the owner to add oil promptly. Insufficient oil typically affects the overall lubrication of the engine, especially for components that rely on splash lubrication from the crankshaft, leading to increased wear or even damage. Engine Fault Light: The yellow engine light does not indicate low oil. This light is called the engine fault indicator. If the engine fault indicator lights up, it means there is a fault in the engine or its associated components. However, specific fault information can only be detected using a professional diagnostic tool. Common reasons for the engine fault indicator to illuminate include oxygen sensor failure, knocking, and severe carbon buildup.
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