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#2576652 - 03/22/12 08:59 PM Started burning oil
atc250r Offline


Registered: 03/02/11
Posts: 98
Loc: Manitoba, Canada
4 months ago, I picked up a 2004 F350 6.8 V10 from its original owner in california (29K miles). Truck was very well maintained and I have the service records from previous owner. I drove the truck home (2200 miles to Canada) and it didn't burn a drop of oil. Changed oil to PYB 5W-20 and ran that for 5000 miles (2months) and it didn't burn a drop. I then changed oil last month to Mobil 1 5W-20 and today i checked the oil with almost 4000 miles on it and its down 1/2 quart. Could it just be the Mobil 1? Should I go back to PYB?

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#2576656 - 03/22/12 09:01 PM Re: Started burning oil [Re: atc250r]
JHZR2 Offline



Registered: 12/14/02
Posts: 33624
Loc: New Jersey
Could... Though it seems a bit odd. You sure the filter and plug are tight?

What is the NOACK of the PYB vs Mobil?

Id personally run PYB.

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#2576657 - 03/22/12 09:02 PM Re: Started burning oil [Re: atc250r]
2010_FX4 Offline


Registered: 09/26/10
Posts: 3070
Loc: USA
1/2 quart in 4000 miles? Is that correct? It should be fine...
_________________________
2010 F-150 FX4......M1 0W-20 SN EP + FU......(Last OC @ 136.7K)
2014 Explorer LTD....KENDALL GT-1 0W-20 SN + MC....(Last OC @ 15.0K)

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#2576666 - 03/22/12 09:08 PM Re: Started burning oil [Re: atc250r]
spasm3 Offline


Registered: 05/30/10
Posts: 3701
Loc: north carolina
I've heard some people say oil comsumption goes up during the first oci of a new oil then settles back down. Never expericed that myself.
_________________________
13 elantra 27k penplat5w30
03 chevy avalanche63k m1 0-30
02 saturnsc1 55k pennultra
01 saturnsc1 160k nextgenhm
93 ciera 63k 5w30 nexgenhm
gz250 hdeo15w40

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#2576702 - 03/22/12 09:38 PM Re: Started burning oil [Re: atc250r]
jorton Online   content


Registered: 07/04/03
Posts: 2733
Loc: San Antonio, TX
Originally Posted By: atc250r
Should I go back to PYB?


Look at some long range synthetic oil reports in the UOA forum that show make up oil: zero quarts.

I think you can eventually do that if you pick 1 oil and stick with it. If you don't mind adding a little make up oil, you may resume bouncing around.
_________________________
"If everything seems under control, you're just not going fast enough."
- Mario Andretti



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#2576716 - 03/22/12 09:56 PM Re: Started burning oil [Re: atc250r]
Capa Offline


Registered: 01/04/10
Posts: 1208
Loc: Oklahoma
1/2 a quart after 4000 miles is typical with many vehicles. In fact, some burn a little more. It is often said on BITOG that on the second OCI with a different oil that some oil consumption will go down.

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#2576734 - 03/22/12 10:07 PM Re: Started burning oil [Re: atc250r]
Triple_Se7en Offline


Registered: 12/04/04
Posts: 6356
Loc: 1/2 hr. north of Detroit
The first OCI with Mobil-1 tends to see a little usage. Even their website has a page somewhere that states the same. Then it should level off in the 2nd OCI and return to normal.

BTW - I am a Pennzoil purchaser. Either Platinum or Yellow Bottle works just fine for me.


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#2577273 - 03/23/12 03:14 PM Re: Started burning oil [Re: atc250r]
mechtech2 Offline


Registered: 09/05/06
Posts: 19479
Loc: Chicago Area
I'm not sure if the filling and level checking were 100% right and consistent.
Give it time and see what's really happening.

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#2577309 - 03/23/12 03:56 PM Re: Started burning oil [Re: atc250r]
Loobed Offline


Registered: 07/20/07
Posts: 3742
Loc: Northern California, USA


I have had a few odd oil burning incidents. The worst was 1 qt in 4000 miles. On the next oil change it didn't use any oil. I don't know why it did it for just one oil change. I am guessing it was a bad batch of oil.
_________________________
Engine: 2001 GM 5.3L LM7
Current Fill: Valvoline Synpower 5w-30 w/Pure-One PL25288 filter

I.M.N Oil Enthusiast

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#2577316 - 03/23/12 04:01 PM Re: Started burning oil [Re: atc250r]
K20FA5 Offline


Registered: 03/03/10
Posts: 293
Loc: Frisco, TX
I had something very similar in our Pilot. I watch the oil level in that engine like a hawk. It's the VCM 3.5L...

I'm on the second OCI of Penn Ultra 5w-20, just trying to clean up the insides a bit. About 2000 miles ago, it burned about 1/2 a quart out of the blue. I had a 1/2 quart of 5w-30 MaxLife in the garage I replaced it with. Since then, it hasn't burned a drop.

My guess is that it might have "cleaned" something and burned oil for a bit? It's a mystery to me, but I'm glad it stopped.

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#2577425 - 03/23/12 05:52 PM Re: Started burning oil [Re: atc250r]
citationxeleven Offline


Registered: 10/28/09
Posts: 110
Loc: Michigan
I had this using PP on one of my Mazdas. 1st OC it went through a qt in 2000 miles, oil was pretty black. Added a qt and ran 2000 more miles. Next change with PP there was no usage in 4000 mile Oci. Oil was not near as black either.
_________________________
2000 Mazda 626 ES V-6 127K PartsMaster 5W30,P1 Filter
1995 Civic EX 239K Ace Hardware 5-30 P1 Filter
2000 Cherokee 171K PP 5W30, Mopar Filter

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#2577443 - 03/23/12 06:20 PM Re: Started burning oil [Re: atc250r]
greenfordtruck Offline


Registered: 07/08/05
Posts: 187
Loc: Douglasville,GA
I am not bashing Mobil1 however, I have found that my F150 consumes oil between changes with Mobil1 and does not with Motorcraft or Kendall. Therefore I don't use Mobil1 in it.
The Honda does fine with Mobil1.
_________________________
2003 Honda Accord 2.4 5w20
2000 Ford F150 4.6 5w20
1969 Ford F100 360 10w30

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#2577466 - 03/23/12 06:41 PM Re: Started burning oil [Re: atc250r]
garlicbreadman Offline


Registered: 06/14/10
Posts: 741
Loc: USA
its a mobil 1 thing

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#2579163 - 03/25/12 02:47 PM Re: Started burning oil [Re: atc250r]
atc250r Offline


Registered: 03/02/11
Posts: 98
Loc: Manitoba, Canada
Its got exactly 4400 miles on this oil and its about 1/2" above the add line. You guys figure I should change it now, or should I run it till 6K? I would assume I'll probably need to add some by then,(which I hate doing; I would rather just change it)

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#2579193 - 03/25/12 03:07 PM Re: Started burning oil [Re: atc250r]
fdcg27 Offline


Registered: 09/25/09
Posts: 9260
Loc: OH
Why don't you change it when it reaches the add line?
You may find lower consumption at lower oil levels.
Also, fill the crankcase using the rated oil capacity, not the dipstick.
The dipstick is an imprecise gauge at best.
_________________________
12 Accord LX 22K HGMO 0W-20
09 Forester 64K PU 5W-30
02 Accord 127K G-Oil 5W-30
01 Focus ZX3 98K Synpower 10W-30
95 BMW 318iC 146K Defy 10W-40

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