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Oil "Life" Indicator #4593000
12/03/17 01:31 PM
12/03/17 01:31 PM
Joined: Apr 2017
Posts: 206
Georgia, USA
HouseTiger Offline OP
HouseTiger  Offline OP
Joined: Apr 2017
Posts: 206
Georgia, USA
A board search revealed nothing specifically on this, so here goes:

Wife's car, 2006 Ford 500, 3L V6. Runs 5W30 Pennzoil Ultra Platinum (at least until my supply runs out). It has an oil life sensor that puts a message on the dash to the effect of "Hey, you, change your oil". Usually it's around the 3000 mile mark. When we've done longer road trips, the sensor has gone as long as 5000 miles. This time it came on with 0% oil life at 2,850 miles.

The car gets mostly urban stop/go driving (north suburban Atlanta), so I know that type of driving is hard on oil, but I find it difficult to accept that Pennzoil synthetic (or any good synthetic oil for that matter) would actually go south at 3,000 miles.

Assuming (cautiously) that the car's computer can't tell synthetic from non-synthetic oil, what sort of formula are these 'computer monitors' using to calculate 'oil life' ??

Thanks in advance.

Re: Oil "Life" Indicator [Re: HouseTiger] #4593004
12/03/17 01:36 PM
12/03/17 01:36 PM
Joined: May 2002
Posts: 20,919
Oakville, Ontario
Patman Offline
Patman  Offline
Joined: May 2002
Posts: 20,919
Oakville, Ontario
Most of them use engine rpm and oil temperature to determine oil life. If you drive harder (higher rpms) the monitor counts down faster. Same with high oil temps, those will make the monitor count down to zero faster as well. The new Corvettes add another factor, time. I don't think many oil life monitors use this factor yet, the previous two generations of Corvette didn't. The monitor in the new Corvettes will continue counting down to zero even when not driven (for instance if you store it for 6 months after resetting the monitor to 100%, it will say 50% after those six months are up), so that it never lets you get beyond the one year point.


2018 Corvette (M1 ESP Formula 5w30 & NAPA Gold)
2006 Civic EX Coupe (PUP 5w20 & Fram Ultra)
2010 BMW 328i X-Drive (GC 0w40 & Fram Ultra)

Re: Oil "Life" Indicator [Re: HouseTiger] #4593008
12/03/17 01:42 PM
12/03/17 01:42 PM
Joined: Oct 2010
Posts: 1,809
.
Danh Online content
Danh  Online Content
Joined: Oct 2010
Posts: 1,809
.
My 2005 Ford product also had an oil life monitor. This generation was not "intelligent" but was simply counted down based on a 6 month, 5,000 mile (whichever comes first) interval. Yours may be the same. If so, I'd bet the 2,850 mile mark coincided with 6 months after the last oil change.

And you're right: Intelligent oil life monitors have no idea what brand/type/grade of oil is in the sump but simply deplete oil life based on an algorithm using factors such as engine revs, number of cold starts, coolant temperature and a bunch of others.

Re: Oil "Life" Indicator [Re: Patman] #4593010
12/03/17 01:43 PM
12/03/17 01:43 PM
Joined: Apr 2017
Posts: 206
Georgia, USA
HouseTiger Offline OP
HouseTiger  Offline OP
Joined: Apr 2017
Posts: 206
Georgia, USA
Originally Posted By: Patman
Most of them use engine rpm and oil temperature to determine oil life. If you drive harder (higher rpms) the monitor counts down faster. Same with high oil temps, those will make the monitor count down to zero faster as well.


Ahhh, makes perfect sense. Run higher revs accelerating to traffic speed, idling in traffic tends to run hotter. Cruising at highway speed it rarely goes over 2000 rpm, but accelerating, 2500, sometime 3000 is not unusual in Atlanta traffic . . . then there's sitting in traffic with the AC going. The picture is much clearer. Thank you.

Re: Oil "Life" Indicator [Re: HouseTiger] #4593017
12/03/17 01:55 PM
12/03/17 01:55 PM
Joined: Sep 2005
Posts: 5,782
MIchigan
Warstud Offline
Warstud  Offline
Joined: Sep 2005
Posts: 5,782
MIchigan
Originally Posted By: HouseTiger
3L V6. Runs 5W30 Pennzoil Ultra Platinum...."Hey, you, change your oil". Usually it's around the 3000 mile mark.

It's assuming your using Dino Oil....I would reset the monitor and change between 50%-25% since your using Ultra.

Re: Oil "Life" Indicator [Re: HouseTiger] #4593024
12/03/17 02:07 PM
12/03/17 02:07 PM
Joined: Jan 2009
Posts: 13,865
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,865
Illinois
My 2017 Fusion has one but I totally ignore it.


2007 Ford Fusion 233,000 miles
M1 0-20 EP
2017 Ford Fusion 58K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

Re: Oil "Life" Indicator [Re: tig1] #4593035
12/03/17 02:15 PM
12/03/17 02:15 PM
Joined: Jan 2008
Posts: 10,830
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,830
OH
Originally Posted By: tig1
My 2017 Fusion has one but I totally ignore it.


Do you go over on miles compared to what it tells you? Since you do 10k oil changes.

Re: Oil "Life" Indicator [Re: HouseTiger] #4593041
12/03/17 02:21 PM
12/03/17 02:21 PM
Joined: Mar 2015
Posts: 11,329
In the shop
53' Stude Online content
53' Stude  Online Content
Joined: Mar 2015
Posts: 11,329
In the shop
He probably doesnít since he does 10,000 ociís and has for years


09' Camry LE, 141,020 miles

PP 5w30 and TG 4967
Re: Oil "Life" Indicator [Re: HouseTiger] #4593170
12/03/17 04:46 PM
12/03/17 04:46 PM
Joined: Jul 2013
Posts: 2,236
Outer Banks, NC
NormanBuntz Online content
NormanBuntz  Online Content
Joined: Jul 2013
Posts: 2,236
Outer Banks, NC
Using Pennzoil synthetic, I'd say you should change every 6-7K miles or 12 months, whichever comes first. Basically just use the OLM as a guide, not like the bible.


2017 Honda Odyssey SE, 16K
2013 Honda Accord LX, 58K
2007 Honda Ridgeline RTS, 88K
2007 Infiniti M35, 107K
Re: Oil "Life" Indicator [Re: HouseTiger] #4593173
12/03/17 04:56 PM
12/03/17 04:56 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
I purchased my first new car in 1966. It was a great car, had electric lights and a self-starter but no info screen. In those days many people still changed their oil at 2K miles and those that believed in extended interval oil changes went all the way to 3K miles.

While driving down the several mile dirt road that constituted my driveway on a nice day and hit the 2K mile interval, came to a stop and changed my oil. And yes, I had the oil, filter and drain pan with me. Why would I not?

Today I do 10K intervals, leave the oil, filter and drain pan at home and tolerate going under/over several hundred miles so that I can change my oil at home and not down some dirt road. My current cars might suffer but that's life in this new age of improved oil (lol).

Re: Oil "Life" Indicator [Re: HouseTiger] #4593193
12/03/17 05:21 PM
12/03/17 05:21 PM
Joined: Oct 2010
Posts: 1,809
.
Danh Online content
Danh  Online Content
Joined: Oct 2010
Posts: 1,809
.
Originally Posted By: HouseTiger
Originally Posted By: Patman
Most of them use engine rpm and oil temperature to determine oil life. If you drive harder (higher rpms) the monitor counts down faster. Same with high oil temps, those will make the monitor count down to zero faster as well.


Ahhh, makes perfect sense. Run higher revs accelerating to traffic speed, idling in traffic tends to run hotter. Cruising at highway speed it rarely goes over 2000 rpm, but accelerating, 2500, sometime 3000 is not unusual in Atlanta traffic . . . then there's sitting in traffic with the AC going. The picture is much clearer. Thank you.


Except your oil life monitor is not "intelligent" and uses none of these metrics. It simply counts down mileage and time using the 5,000 mile/6 month service interval Ford specifies for your car. Operating conditions play no role.

Re: Oil "Life" Indicator [Re: HouseTiger] #4593196
12/03/17 05:21 PM
12/03/17 05:21 PM
Joined: Nov 2011
Posts: 3,977
Lima, Ohio, USA
earlyre Offline
earlyre  Offline
Joined: Nov 2011
Posts: 3,977
Lima, Ohio, USA
the OLM in my 2009 Sable, isn't intelligent either. with my normal commute(4.5mi each way to work, avg speed limit 45mph) basically counts down 1% per day.
if I do some highway it will extend, but it basically wants me to change oil every 100 days.

I've been doing 6 mo/5k mi oci's(usually hit 6 mos first). I'm tempted to take this current fill of Synpower out to a year... maybe pull a sample at 6 mos for a UOA.... though that will be in mid feb...

(I have Forscan, checked the settings,and it is set for 6mo/5000mi)


Mine:
09 Mercury Sable : 6qts AutoQuest(Meijer/Warren) 0w20, WIX 51516
Mine to Maintain:
03 Pontiac Vibe : 4.5qts VWB 5w30,WIX 51394
Re: Oil "Life" Indicator [Re: tig1] #4593201
12/03/17 05:23 PM
12/03/17 05:23 PM
Joined: Sep 2010
Posts: 7,084
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,084
Texas
Originally Posted By: tig1
My 2017 Fusion has one but I totally ignore it.


Fordís Black Box is watching you Tig wink

Re: Oil "Life" Indicator [Re: HouseTiger] #4593288
12/03/17 06:31 PM
12/03/17 06:31 PM
Joined: Jul 2013
Posts: 1,229
Dana Point, CA
splinter Offline
splinter  Offline
Joined: Jul 2013
Posts: 1,229
Dana Point, CA
Originally Posted By: HouseTiger
...0% oil life at 2,850 miles.

Kinda like my owner's manuals from 30 years ago in spite of all our 'technological advancements' with respect to such matters.


M1 0W-40
T6 5W-40
PUP 5W-30



Re: Oil "Life" Indicator [Re: SatinSilver] #4593322
12/03/17 07:19 PM
12/03/17 07:19 PM
Joined: Jan 2009
Posts: 13,865
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,865
Illinois
Originally Posted By: SatinSilver
Originally Posted By: tig1
My 2017 Fusion has one but I totally ignore it.


Do you go over on miles compared to what it tells you? Since you do 10k oil changes.


Yes. The OLM came on in Kansas when we returned from Colorado. I re-set it the first stop after it came on. I will be changing at 40K for a 10K OCI.


2007 Ford Fusion 233,000 miles
M1 0-20 EP
2017 Ford Fusion 58K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

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