What does it mean when the oil can light turns red?

1 Answers
DiHayden
07/29/25 9:11pm
The red oil can light indicates a low oil pressure alarm, meaning the engine oil level is critically low. There are several reasons why the car's oil light may illuminate: Excessive oil viscosity: The viscosity of the oil is closely related to its quality. Higher viscosity means better resistance to high temperatures, and vice versa. Clogged or improperly adjusted pressure relief valve: A faulty pressure relief valve can cause abnormal oil pressure, triggering the oil light. Insufficient oil volume: If there's not enough oil, the oil pump's output decreases or fails to pump oil due to air ingress, leading to reduced oil pressure. This results in increased wear on components like the crankshaft and bearings, as well as the cylinder liners and pistons, due to inadequate lubrication.
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