Longest hybrid oil change interval?!?

[Mavster Mechanic]

I've been doing alot of short trips.... OLM has me change <5K.

Would you say due to all factors combined your MPG is about high 20's and low 30's?

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[HeyBales]

We've had record highs and lows since buying my Mav (-5F to 105F). I have it scheduled start idle for 15 mins prior to going to work and 15 mins before leaving work... sonetimes using extended idle if I get held up. About 4,500 on the odometer and the OLM was in the %-teens when I had the annual maintenance done and oil changed. I'm at 4,800 now and at about 85% on OLM.

Well, another good example of extreme for use, since idling normally considered tough use.
Still not likely near 5k on your engine, but not much higher then that sounds like on prior change.

 

[Chops]

The EB and Hybrid might be different.
And they probably should be different. But they don't have to be.

But I don't think you are paying much attention to the many oil life threads.

It is not a "simple" countdown.
It is not mileage based.
It is use based.

Proven. Done.

Mine has taken 14,000 miles for oil life to hit zero when driving gently (In less than a year) and it has gone to zero in 3 months and 5,000 miles when towing.

It may count gallons burned.
Because, why not. It's easy to do.
And doesn't gallons burned correlate to wear and tear?

You can idle. Put zero miles on, and oil life will go to zero. Eventually.

You can tow super heavy and high wind drag for 3000 miles, burn a lot of gas, and oil life will hit zero.

You can drive super conservatively.
Keep it under 45 MPH. Go a ton of miles, by burning very little gas per mile.

Changing oil based on miles alone is just plain DUMB and ranks barely above not doing it at all.

Changing based on time is slightly better than miles but not much.

Changing based on gallons burned I would say is pretty good. And anyone can do that. Computer or not.

Taking gallons burned along with temperatures and cold starts, and time, and miles all considered may be best. But who knows what is in the formula outside of a few people at Ford?

What is known for sure is: changing oil based on miles is fine, but is the least accurate method of all those discussed.

250 gallons burned gets most Hybrid drivers to 10,000 miles.

250 gallons burned gets most EB drivers to 6,000 miles.

Seems about right, doesn't it.

250 gallons burned while towing a camper gets me 4,000 miles.

250 gallons burned while being gentle, coasting a lot, and staying under 55 MPH gets me to 14,000.

4000 miles
6000 miles
10,000 miles
14,000 miles

Possible to have the same wear & tear in all four cases.


OLM is heavily influenced by miles per gallon.
Let that sink in.

Don’t most OLM reach 0% at around 12 months regardless of mpg, load, mileage, etc etc?

Could be a testament to modern oils that are made to last 12 months regardless of mpg, load, mileage, etc etc.

Anybody have their OLM reach 0% between 6 and 9 months?

Ford supposedly advises folk to change oil on severe / extreme use before OLM reaches 0%….as soon as 6 months supposedly.

 

[svogt302]

Would you say due to all factors combined your MPG is about high 20's and low 30's?

Why in the world would you think that?
About 38 MPG in Winter & 42ish in the Summer

 

[EffNo50]

...

OLM is heavily influenced by miles per gallon.
Let that sink in.

That seems logical to me. If you want to math out, here's my data:
1st oil change: 26-4902; 157 gallons; Average MPG: Dash:33.53, calc'd: 32.08
2nd oil change: 10037; 153 gallons; Average MPG: Dash:34.6, calc'd: 33.01
3rd oil change: 17552; 225 gallons; Average MPG: Dash:35.7, calc'd: 33.18

 

[MavStangVa]

Well, the OLM told me to change it at "around" 10,000. I took it to 13,000. No big deal. Truck will NOT blow up.....and next owner that gets it will NEVER KNOW the difference between 3,000, 5,000, or 13,000 mile oil changes. It's really that simple. Entertaining to read these posts for sure.... but bottom line....the days of 3,000 or 5,000 mile oil changes are long gone. They are only stuck inside "your" box of thinking. Just look at what happened to a corded rotary phone to what we have now. Just picture that being your oil. Hell, I'm typing this from a computer in my hand...IN MY HAND!!!!!.......

You mean you don't have a rotary phone? how do you call 911?

 

[Chops]

That seems logical to me. If you want to math out, here's my data:
1st oil change: 26-4902; 157 gallons; Average MPG: Dash:33.53, calc'd: 32.08
2nd oil change: 10037; 153 gallons; Average MPG: Dash:34.6, calc'd: 33.01
3rd oil change: 17552; 225 gallons; Average MPG: Dash:35.7, calc'd: 33.18

Logical - but does not match actual results.

A 20mpg Turbo EB and a 50mpg normally aspirated Atkinson will both reach about 0% OLM after 12 months of normal driving.

 

[Chops]

I do cross-country hauling, so my OLM gets reset multiple times between oil changes, just because the message is annoying. (The OLM count down is accelerated when doing the high revs that towing demands).

At ~25k interval now, (which is only ~3 months), and oil analysis continues to come back good.

The fact that your OLM hits 0% within 3 months on your Hybrid gives me faith in the OLM system

However, an OLM that waits 10,000 miles on an EB before 0% causes me to lose my faith

 

[MavStangVa]

The fact that your OLM hits 0% within 3 months on your Hybrid gives me faith in the OLM system

However, an OLM that waits 10,000 miles on an EB before 0% causes me to lose my faith

Faith is what you have after you lose hope .

 

[Kenv24]

You mean you don't have a rotary phone? how do you call 911?

I just say "Siri.....dial Nine One One".......

 

[svogt302]

That seems logical to me. If you want to math out, here's my data:
1st oil change: 26-4902; 157 gallons; Average MPG: Dash:33.53, calc'd: 32.08
2nd oil change: 10037; 153 gallons; Average MPG: Dash:34.6, calc'd: 33.01
3rd oil change: 17552; 225 gallons; Average MPG: Dash:35.7, calc'd: 33.18

🫟

 

[HeyBales]

Logical - but does not match actual results.

A 20mpg Turbo EB and a 50mpg normally aspirated Atkinson will both reach about 0% OLM after 12 months of normal driving.

Not sure how the post you replied to is NOT actual results - since they are reporting actual results.

Sorta depends on how many miles are driven annually.
Normal?
Does that mean the good old 12K annually?

All kinds of posts about getting down to OLM 0% before 12 months - because they drive more than 12k annually.
But indeed - if both are a 5K annual driver - they both COULD reach 12 months before mileage matters.
Then again we've had more than 2 posts sharing when it was towing miles - 3K was the limit.
So well before 12 months reached in those cases, even if 5K annual.

Actually - an EB would never make it to 12 months if they did 12k annually - because even if they were super gentle low highway speed miles - the OLM would stop at 10 months or 10k miles.
Betcha they are told to change earlier than that though.

So interesting method of looking at it.
1st change - 9221 miles, 0% OLM, 246 gal in fillups (260 with dealers full tank). (this was based on 12 months max, to the day)
2nd change - 11112 miles, 2% OLM, 285 gal. (based on miles, not the 10 months reached)
Currently - 2873 miles, 73% OLM, 86 gal. (mileage based currently, as 0% calc's to 285 days)

 

[HeyBales]

Don’t most OLM reach 0% at around 12 months regardless of mpg, load, mileage, etc etc?

Could be a testament to modern oils that are made to last 12 months regardless of mpg, load, mileage, etc etc.

Anybody have their OLM reach 0% between 6 and 9 months?

Ford supposedly advises folk to change oil on severe / extreme use before OLM reaches 0%….as soon as 6 months supposedly.

Actually no Ford doesn't advise that in the manual.
The manual shares the fact the OLM may call for much shorter mileage intervals when it sees the severe usage.
And several posts have shared that the towing, and now long idling, and now short daily trips - does cause a shorter mileage interval.
And well under 12 months in the posts.

At least 2 posts in this thread were at/almost at the 0% OLM figures below 9 months.

From the Maverick thread about average age of drivers - ya I can see a whole lot of OLM's making it to 0% because the 12 months was reached first, before the mileage load mattered.
But you are missing posts if you think that's the only factor.
There are plenty of posts in this thread and others that have commented on getting down to 0% OLM well before 12 months is reached.

The oils aren't made to last 12 months regardless of all the things you list.
That's why the OLM will reach 0% well before 12 months, due to some of those things.
Obviously they are made better and can take some harder conditions than prior decades of oil.

 

[HeyBales]

Im guessing that is the OLM predicting the miles before you hit 12 months? I’d be surprised if the OLM went to 0% before you got close to 12 months.

It sounds like you are of the impression the OLM is purely time based no matter how many posts state opposite info.

Just keep an eye out for the posts in other threads to see that while 12 months is a limit, that's not the only limit for the OLM recommendation.

 

[Chops]

Actually no Ford doesn't advise that in the manual.
The manual shares the fact the OLM may call for much shorter mileage intervals when it sees the severe usage.
And several posts have shared that the towing, and now long idling, and now short daily trips - does cause a shorter mileage interval.
And well under 12 months in the posts.

At least 2 posts in this thread were at/almost at the 0% OLM figures below 9 months.

From the Maverick thread about average age of drivers - ya I can see a whole lot of OLM's making it to 0% because the 12 months was reached first, before the mileage load mattered.
But you are missing posts if you think that's the only factor.
There are plenty of posts in this thread and others that have commented on getting down to 0% OLM well before 12 months is reached.

The oils aren't made to last 12 months regardless of all the things you list.
That's why the OLM will reach 0% well before 12 months, due to some of those things.
Obviously they are made better and can take some harder conditions than prior decades of oil.

There was one post in this thread where the poster hit 0% OLM within 3 months - more than once. I made note that this is evidence of a robust OLM algorithm.


But I interpreted Surfstar’s question as “how far above 10,000 miles can you drive before the clock runs out at 12 months?”. Of course us low mileage geezers won’t get many miles before 0%. Surfstar has commented in different threads that our 12 month oil is still as good as new lol.

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