I bought a Lincoln Navigator about eight months ago and drove off with a quarter-tank of gas, as happy as ever. I got a great deal with very low mileage.
However, when I drove in to get gas, I found out my car needed premium gas only. What happens if I use regular? I’ve heard too many stories out there and I don’t know who to believe. Gas prices keep on rising and so do my expenses.
Check your owner’s manual. Most manuals state that while premium is recommended, you can run the vehicle on regular. You may notice a slight drop in performance, but the vehicle’s engine management system should be able to compensate for the lower-octane fuel without damaging the engine.
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