Maybe I am just paranoid but for the first 5000 miles or so my average MPG was ~17.5 and after my first oil change my baby is averaging 14. Seems to be a significant difference. I am not too worried about the actual MPG but that there is a change. Any thoughts?
MPG drop after first oil change
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1,498 Posts
No difference in driving habits?
I’ve been messing with the tripscreen and resetting it to see how speed, accel, altitude change affects it. It’s pretty significant, even the difference between 65mph and 75mph
I’ve been messing with the tripscreen and resetting it to see how speed, accel, altitude change affects it. It’s pretty significant, even the difference between 65mph and 75mph
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10,369 Posts
Never trust the MySuk onboard mpg, use hand calculation for actual mpg.
Might not be the level of deceit of the software to fool EPA about emissions, but I suspect a conspiracy to present rosy images of higher MPG than actual to the owner.
![Vehicle Motor vehicle Tire Van Automotive lighting]()
Might not be the level of deceit of the software to fool EPA about emissions, but I suspect a conspiracy to present rosy images of higher MPG than actual to the owner.
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1,406 Posts
My 2012 F250 consistently claims I am going about 3-4 miles faster than I actually am, and shows a fuel consumption that is about 1-2 mph less than is actually being burned. I have confirmed that the tires are the correct size, and verified distances and speeds with gps and stopwatch, as well as highway speed check zones. One possibility is that my fuel economy computer is consistently and reliably faulty. Another possibility is that it is operating exactly as Ford wants it to operate. You decide.
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