What does it mean when the oil light comes on in a truck?

1 Answers
DelSimon
07/29/25 4:54pm
Here are the reasons why the oil light comes on in a truck: 1. Insufficient oil level: When the oil light comes on, the first thing to check is whether there is enough oil. It is necessary to promptly inspect the oil level using the dipstick. If the oil level is below the lower limit on the dipstick, oil needs to be added. 2. Engine overheating: With prolonged use, the cooling system can easily develop poor heat dissipation. Overheating of the engine accelerates the degradation of the oil. Once the oil degrades, the oil warning light will also come on. Therefore, regular maintenance of the cooling system is essential during daily driving. 3. Incorrect oil selection: Different grades of engine oil have different viscosities. If the wrong oil is added, the oil light will also illuminate. Hence, it is important to pay attention to the oil grade when selecting engine oil.
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