If the oil pressure warning light stays on, what could that indicate?

When the oil pressure warning light remains illuminated, it is a critical indication that there might be a problem with the engine's oil system. This can suggest that oil levels are low, meaning there may not be enough oil to properly lubricate the engine's moving parts. Low oil levels can lead to inadequate lubrication and ultimately cause severe engine damage due to increased friction and heat. Additionally, the pressure relief valve could be stuck, which means that even if oil is present, it isn't circulating correctly or maintaining adequate pressure. Maintaining proper oil pressure is essential for the health and longevity of the engine, as it ensures that all components are effectively lubricated, reducing wear and preventing overheating.

In contrast, gasoline contamination, transmission fluid leaks, and battery issues relate to different systems and do not directly trigger the oil pressure warning light, making them less relevant to this specific situation.