Which statement best describes engine oil analysis in EVT maintenance?

• A. It can determine the exact cause of engine failure without further testing.
• B. It cannot reveal wear metals or contaminants.
• C. It can reveal wear metals and contaminants indicating engine wear or coolant/fuel intrusion; may trigger an oil change, further diagnostics, or component replacement.
• D. It is only used to determine oil color.

Answer: (C)