Oil Change Interval
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Lead Foot User
Joined: Nov 2008
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From: Saskatchewan, Canada
I had already changed it twice when the message came up. Of course the computer didn't know that. Also, I do a lot of in town driving which seems would shorten the oil change interval.
But then I guess some people would never change their oil unless something reminded them. So 10k is better than not.
But then I guess some people would never change their oil unless something reminded them. So 10k is better than not.
Mountain Pass
Joined: Jan 2008
Posts: 248
Likes: 19
From: Ft Worth texas
I went 8000-10000 on my 6.0 against everyones advice. That motor never "made oil" in the 200k i had it, the injectors were fine and the T6 i drained out was dark but not cooked, full of fuel and clean of debris.If Ford says change the oil by the computer, then i am going to do it. My Mercedes manual advise us to change at 10,000 miles.
I go through a lot of oil with my 5 dirt bikes, 4 wheeler, generators, lawn mowers, tractors, harley and my 5 road vehicles. I found myself draining good oil out of my cars and van and using it in my tractor and lawn mower. Thats when i decided i was changing too early!
I go through a lot of oil with my 5 dirt bikes, 4 wheeler, generators, lawn mowers, tractors, harley and my 5 road vehicles. I found myself draining good oil out of my cars and van and using it in my tractor and lawn mower. Thats when i decided i was changing too early!
Junior User
Joined: Nov 2007
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I had already changed it twice when the message came up. Of course the computer didn't know that. Also, I do a lot of in town driving which seems would shorten the oil change interval. But then I guess some people would never change their oil unless something reminded them. So 10k is better than not.
Junior User
Joined: Nov 2007
Posts: 77
Likes: 0
I went 8000-10000 on my 6.0 against everyones advice. That motor never "made oil" in the 200k i had it, the injectors were fine and the T6 i drained out was dark but not cooked, full of fuel and clean of debris.If Ford says change the oil by the computer, then i am going to do it. My Mercedes manual advise us to change at 10,000 miles. I go through a lot of oil with my 5 dirt bikes, 4 wheeler, generators, lawn mowers, tractors, harley and my 5 road vehicles. I found myself draining good oil out of my cars and van and using it in my tractor and lawn mower. Thats when i decided i was changing too early!
Did you ever get an analysis at 10k miles?
I once went 8k on my 6.0 and the analysis showed I was spot on for the oil change but I was running Brad Penn oil. Not sure if that made a difference or not.
Junior User
Joined: Nov 2007
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The computer might not have known the interval you changed it at but it should still have worked correctly if it was monitoring the "condition" of the oil? Thanks for everyone's reply's, It's obvious to see that everyone picks what they figure is a safe interval and changes it then. That is also what I plan to do. On the other hand it is also nice to hear that the monitor obviously works and won't let a person go too long before giving a reminder.
Nobody is sure if the computer is actually monitoring oil condition or it's a courtesy reminder. If it's actually monitoring the condition I can't see why I should change earlier than the computer says to.
Hotshot
Joined: Nov 2013
Posts: 10,107
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From: Hempstead, TX
It is not monitoring the condition of the oil. It is merely a mathematical computation based on operating conditions. I never actually saw my monitor come on, but when I had a window of opportunity to do an oil change, I did the VHR and it said I was a 14% oil life at 8,300 miles. I changed the oil anyway and reset the IOLM. I have no problem following the recommendations of the people who are warrantying the product.
Junior User
Joined: Nov 2007
Posts: 77
Likes: 0
It is not monitoring the condition of the oil. It is merely a mathematical computation based on operating conditions. I never actually saw my monitor come on, but when I had a window of opportunity to do an oil change, I did the VHR and it said I was a 14% oil life at 8,300 miles. I changed the oil anyway and reset the IOLM. I have no problem following the recommendations of the people who are warrantying the product.
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Lead Foot User
Joined: Nov 2008
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From: Saskatchewan, Canada
Sorry for the thread jack Brandon. I hope I'm not deviating from your original question. My apologies if I'm derailing this thread but it's something I've been scratching my head on.
Nobody is sure if the computer is actually monitoring oil condition or it's a courtesy reminder. If it's actually monitoring the condition I can't see why I should change earlier than the computer says to.
Nobody is sure if the computer is actually monitoring oil condition or it's a courtesy reminder. If it's actually monitoring the condition I can't see why I should change earlier than the computer says to.
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Hotshot
Joined: Nov 2013
Posts: 10,107
Likes: 96
From: Hempstead, TX
There are no sensors, viscosity meters or analyzers built into the system. It is strictly an algorithm that looks at previously mentioned factors. Basically a scientific wild-azz guess SWAG for short. Do what you're comfortable with. There is no way for anyone to know how often you change your oil unless you tell them. You won't be denied for changing too early, and if you reset the IOLM when it pops up, you could run forever on your oil without anyone being able to prove you had never changed it. However, in case of oil related failures, it is a good idea to be able to produce a record of your oil change - even if you did it yourself - including receipts and mileage.
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