Wrong-oil emergency triage

Use this when something went wrong during or after an oil change. It is intentionally conservative: warning lights, leaks, noise, smoke, severe overfill, and unknown levels route toward stopping and getting the engine checked.

I used the wrong viscosity grade I may have overfilled the oil The oil level may be low The oil pressure warning came on I see a leak after an oil change The oil pressure warning came on I mixed two engine oils Oil spec checker