What is what does it mean when your oil light comes on?

Oil Light On: What it Means

When your oil%20light illuminates on your dashboard, it's a critical warning that requires immediate attention. It indicates a problem with your engine's oil pressure or level, which can lead to severe engine damage if ignored.

Here's a breakdown of what it could signify:

  • Low Oil Pressure: This is the most common and serious reason. The oil%20pump may be failing, there could be a leak, or the oil passages could be blocked. Low oil pressure means critical engine parts aren't being properly lubricated, leading to increased friction, heat, and potential seizure.
  • Low Oil Level: Insufficient oil in the oil%20pan can cause the pump to suck air, reducing pressure. This can happen due to leaks, burning oil, or simply needing an oil change.
  • Faulty Oil Pressure Sensor: Although less common, the oil%20pressure%20sensor itself could be malfunctioning, giving a false reading.
  • Wiring Issues: Damaged or corroded wiring connecting the sensor to the dashboard can also cause the light to illuminate erroneously.

What to Do When the Oil Light Comes On:

  1. Pull Over Immediately: Find a safe place to stop your vehicle as soon as possible. Continuing to drive with low oil pressure can cause catastrophic engine damage.
  2. Check the Oil Level: After the engine has cooled down for a few minutes, check the oil level using the dipstick. Add oil if it's low.
  3. Look for Leaks: Inspect under the vehicle and around the engine for any signs of oil leaks.
  4. Don't Ignore It: If the light persists even after adding oil, or if you suspect a more serious problem, have your vehicle towed to a qualified mechanic for diagnosis and repair. Do not attempt to drive it, as this could further damage the engine.

Different Types of Oil Lights:

  • Some cars have two different lights. One is a symbol of the oil can which tells you that the oil%20pressure is low. Others is a warning light that tells you that the oil level is low.