I changed the oil in my Expedition with seven quarts of oil and a new filter. I reset the oil change meter but it only went to 85%. Does the 5.4L have an actual sensor that determines oil life or is this a meter based on mileage with a lawyers cushion built in?
The oil change interval is 5000 miles for the '07s and 7500 for the '08 and later. Same engine from what I can tell and I doubt Ford started fitting different bearings, etc., at '07 to '08 model year changeover.
"Hey guys, put the new '08 7500 mile bearings in the next engine down the line. No, dummy, not that one one, it's going in the last '07! The next one!"
I change it when the reminder on the dash tells me to at around 5000 miles but don't get twichy if I have to go over that distance. My Hondas chaim to compute oil change interval.
I found the way to reset the meter to 100%.
Press the setup button until you reach the oil life reading.
Press Reset button this should take you to 70-85% reading.
Continue pressing reset button and it will count down by 10% each time until it jumps back to 100% oil life.
Mine has always reset to 100% with no extra effort. But it's always been at the "Change the Oil" level to start with. Maybe if you're changing the oil more frequently than the settings you have to scroll thru the percentages?
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