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Used 87 instead of 93...check engine light.
18 expy XLT, 64k miles V6 turbo. I like the Italian tuneup. Did that on the interstate a few days ago. We call that "run the piss out" though. Lol- RealmGirl1
- Post #44
- Forum: 4th Gen Ford Expedition General Discussion
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Used 87 instead of 93...check engine light.
Just found this thread and I also went from 87 to 93 to see how performance would change. I gradually added two or three tanks of the next octane over the last few weeks. Now I also have a check engine. Here's what Ford Pass is saying.- RealmGirl1
- Post #31
- Forum: 4th Gen Ford Expedition General Discussion
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87 octane vs 93 octane
I've tried changing over to higher octane in my recently purchases 2018 XLT and now my engine light is on.- RealmGirl1
- Post #38
- Forum: 4th Gen Ford Expedition General Discussion
