High Oil Consumption

WARNING: This page is about a different car, the 1995 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.

Ensure engine oil is at proper level. Check for proper oil dipstick application.
Check engine for external oil leaks.
Check PCV system for restriction or worn PCV valve.
Visually inspect exhaust for blue smoke, indicating worn piston rings.
Check for engine oil contamination/dilution from fuel or coolant.