Why does it still show low oil after just changing the oil?

2 Answers
SilasFitz
07/24/25 4:27pm
The reason why the low oil warning still appears after an oil change is that the maintenance reminder light was not reset in time by the dealership after the oil replacement. Solution: Visit the dealership promptly and use a diagnostic tool to clear the maintenance reminder light. The oil change reminder helps car owners identify and address issues quickly. Many modern vehicles now come equipped with this useful reminder feature. Engine oil is an essential component for any vehicle. Typically, engine oil lubricates the car's engine, thereby improving engine efficiency and enhancing overall vehicle performance.
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DiLeo
08/11/25 9:07am
I've been repairing cars for over 20 years and have seen many cases where the oil light remains on after an oil change. This usually isn't due to actual low oil levels, but rather sensor issues or minor operational mistakes. After changing to new oil, if the oil quantity isn't filled to within the dipstick's marked range, the system may falsely report low oil - you should park and check whether the oil level falls between the indicator marks. Sometimes the oil level sensor gets dirty or fails, such as when dust blockage causes signal failure. Or the system may need resetting - procedures vary by vehicle model, some requiring button combinations while others automatically update after driving for a few minutes. I recommend idling the engine for five minutes first and then observing. If the light persists, it might indicate an electronic module malfunction, in which case professional shop diagnostics are advisable. Never ignore warning lights - genuine oil shortage can damage the engine, so check underneath for possible leaks. When changing oil yourself, carefully read the manual to ensure using correct oil quantity and specifications. Remember: safety first. Address any issues promptly to avoid costly repairs later.
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