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

Registered: 03/02/11
Posts: 100
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?

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

Registered: 12/14/02
Posts: 36848
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.

#2576657 - 03/22/12 09:02 PM Re: Started burning oil [Re: atc250r]
2015_PSD Offline

Registered: 09/26/10
Posts: 4656
Loc: SE Texas
1/2 quart in 4000 miles? Is that correct? It should be fine...
2015 F-250 FX4................Delo LE 5W-40 CJ-4 + MC
2014 Explorer LTD.............PUP 5W-20 SN + FU
2010 Kawasaki BF750 4x4....RT6 5W-40 + OEM

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

Registered: 05/30/10
Posts: 5672
Loc: out there
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 39k 5w30 ultra
03 chevy avalanche64k m1 0-30
02 saturnsc1 62k 0w40 castrol
01 saturnsc1 170k nextgenhm
93 ciera 71k 5w30mc5k

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

Registered: 07/04/03
Posts: 2929
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

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

Registered: 01/04/10
Posts: 1249
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.

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

Registered: 12/04/04
Posts: 6845
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.

#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.

#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

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

Registered: 03/03/10
Posts: 303
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.

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

Registered: 10/28/09
Posts: 116
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 140K QSUD 5W30,P1 Filter
1994 Toyota Camry LE 207K PZ Plat 5W30, Mann Filter

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

Registered: 07/08/05
Posts: 192
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

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

Registered: 06/14/10
Posts: 824
Loc: USA
its a mobil 1 thing

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

Registered: 03/02/11
Posts: 100
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)

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

Registered: 09/25/09
Posts: 11285
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 36K PP 0W-20
09 Forester 67K PU 5W-30
02 Accord 144K GOil 5W-30
01 Focus ZX3 112K M1 5W-20
95 BMW 318iC 152K Defy 10W-40