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Options for an oil burner #4570441
11/11/17 02:19 AM
11/11/17 02:19 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline OP
Ammofirst  Offline OP
Joined: Jun 2017
Posts: 388
Western usa
A friend of mine has a 2011Toyota Prius 3 : 2ZR-FXE : 1.8L 4 cyl. with 95k on it. Heís having to add about 1 quart every 900-1000 miles, it holds 4.4Qts of Ow-20. Second owner at 50k. He says there are no leaks he can see on the driveway or elsewhere. From what heís told me it sounds like the engine has always been driven very easy, all low revís. Iím no mechanic but it sounds like carbon / gunk formed on the piston rings or ring lands. The way they get driven it seems like destiny. Any options for him ? Iíve heard the Kroil application mentioned in the past. Thanks

Re: Options for an oil burner [Re: Ammofirst] #4570442
11/11/17 02:32 AM
11/11/17 02:32 AM
Joined: Jul 2008
Posts: 463
Maryland USA
rubberchicken Offline
rubberchicken  Offline
Joined: Jul 2008
Posts: 463
Maryland USA
Get a leakdown test and find out exactly what is worn. Next best option is a compression test. Perhaps consider using a 0w30 like Amsoil or even a 5w30 to slow the oil consumption rate.

Re: Options for an oil burner [Re: Ammofirst] #4570448
11/11/17 03:26 AM
11/11/17 03:26 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
If there are no drips on the ground then he needs to look at rings, stem seals, guides and PCV.
They're the only places the leak can happen.

Mechanical repairs > bottled snake oil.


Cable ties should hold it
Re: Options for an oil burner [Re: Ammofirst] #4570491
11/11/17 06:02 AM
11/11/17 06:02 AM
Joined: Oct 2005
Posts: 11,365
PA
d00df00d Offline
d00df00d  Offline
Joined: Oct 2005
Posts: 11,365
PA
Edited this after reading (below) that there was a recall. Get that done first IMO!


2011 Mazda RX-8 R3
Mobil Super 5w-20
Re: Options for an oil burner [Re: Ammofirst] #4570493
11/11/17 06:03 AM
11/11/17 06:03 AM
Joined: Aug 2009
Posts: 575
Modesto,CA
mehullica Offline
mehullica  Offline
Joined: Aug 2009
Posts: 575
Modesto,CA
Toyota has updated piston rings for this issue. Not sure if they extended the warranty like they did on the 2.4l engine

Re: Options for an oil burner [Re: Olas] #4570496
11/11/17 06:06 AM
11/11/17 06:06 AM
Joined: Feb 2009
Posts: 1,578
wv
krismoriah72 Offline
krismoriah72  Offline
Joined: Feb 2009
Posts: 1,578
wv
There is a TSB on this.

Long story short - defective pistons and rings need to be replaced.

A friend of mine picked one up last year for very cheap to find out later why it was so cheap.

Re: Options for an oil burner [Re: Ammofirst] #4570529
11/11/17 07:09 AM
11/11/17 07:09 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline OP
Ammofirst  Offline OP
Joined: Jun 2017
Posts: 388
Western usa
Oh man, heís not going to like that. Sounds like people past the warranty are on their own. Maybe Iíll have him start with the PCV valve and see what happens from there. Itís probably never been changed. There are also people posting about using 0W-40 with some success. I didnít realize so many Toyotaís were oil burners.

Re: Options for an oil burner [Re: Ammofirst] #4570535
11/11/17 07:29 AM
11/11/17 07:29 AM
Joined: Oct 2011
Posts: 497
maple ridge, bc
2004tdigls Offline
2004tdigls  Offline
Joined: Oct 2011
Posts: 497
maple ridge, bc
my neighbour's toyota yaris has the same problem, she is out of warranty and simply can't afford to fix the engine. it drank oil like a freshman at a keg party

I changed the oil and put in a HDEO CJ 15w40 and the oil consumption stopped entirely

and yes I realize that this is not the approved viscosity, but with a an oil burner who really cares?

Re: Options for an oil burner [Re: Ammofirst] #4570560
11/11/17 08:20 AM
11/11/17 08:20 AM
Joined: Oct 2005
Posts: 11,365
PA
d00df00d Offline
d00df00d  Offline
Joined: Oct 2005
Posts: 11,365
PA
Originally Posted By: Ammofirst
Oh man, heís not going to like that. Sounds like people past the warranty are on their own. Maybe Iíll have him start with the PCV valve and see what happens from there.

Then definitely have the problem diagnosed before doing anything else.

A PCV valve change is a good call. Can't hurt.

If it really does look like the rings are stuck due to carbon, one option is to find a Cummins distributor and try to get Valvoline Premium Blue Restore. It's a fully formulated engine oil designed to fix oil consumption due to carbon buildup in the rings of Cummins ISX engines. TONS of ester, on the order of 30 to 50 percent. It's marketed by Cummins as a service event, not as a regular oil, but distributors should carry the oil. Insanely expensive for an engine oil, but probably a lot cheaper than a rebuild.


2011 Mazda RX-8 R3
Mobil Super 5w-20
Re: Options for an oil burner [Re: Ammofirst] #4570582
11/11/17 08:44 AM
11/11/17 08:44 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline OP
Ammofirst  Offline OP
Joined: Jun 2017
Posts: 388
Western usa
Thanks, never heard of that oil. I think Iíll have him do an engine flush (amsoil or similar product) Change the PCV valve and fill the crank case with some 40wt oil. I think Mobil 0W-40 is only 3.6 HTHS is wcastrol or pennzoil 0w-40 any thicker ? Would a gas additive with a high dose of PEA help any ?

Re: Options for an oil burner [Re: Ammofirst] #4570601
11/11/17 09:11 AM
11/11/17 09:11 AM
Joined: Oct 2010
Posts: 5,287
Florida
Artem Offline
Artem  Offline
Joined: Oct 2010
Posts: 5,287
Florida
Originally Posted By: Ammofirst
I think Iíll have him fill the crank case with some 40wt oil. I think Mobil 0W-40...


I think using what is essentially a high end synthetic oil in an engine that burns a quart every 1k miles is silly. Not only will the initial fill up be more expensive then necessary, all the oil top off during say a 5k OCI will be more expensive then pouring in something cheap.

The engine is clearly defective, as per Toyota admitting it themselves. Either fix it properly (out of pocket or try pressuring Toyota to cover the bill) or just dump some 10w40 conventional in there and hope it helps to slow down the consumption.


2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart. (thanks Advance Auto Parts for the awesome deal)
Re: Options for an oil burner [Re: krismoriah72] #4570611
11/11/17 09:27 AM
11/11/17 09:27 AM
Joined: Oct 2009
Posts: 3,233
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,233
Wet side WA
Originally Posted By: krismoriah72
There is a TSB on this.

Long story short - defective pistons and rings need to be replaced.

A friend of mine picked one up last year for very cheap to find out later why it was so cheap.



Yes and for those cars out of warranty well sounds like an absolutely great time and place for a class action lawsuit.


2004 Corolla 124831
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Options for an oil burner [Re: Ammofirst] #4570612
11/11/17 09:28 AM
11/11/17 09:28 AM
Joined: Feb 2003
Posts: 7,438
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,438
Jupiter, Florida
There are a number of people having real success with higher viscosity synthetic oils in the oil consuming Prius engines. I'd suggest Mobil 1, 10W-40 High Mileage as a first step. People have even moved to 20W-50 in the Prius engine with good results.

Keep in mind that the synthetic higher viscosity oils are thinner in extreme cold, vs a conventional oil.


People who count on their fingers should maintain a discreet silence.
Re: Options for an oil burner [Re: Ammofirst] #4570621
11/11/17 09:34 AM
11/11/17 09:34 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline OP
Ammofirst  Offline OP
Joined: Jun 2017
Posts: 388
Western usa
That might be a better choice, thanks. HTHS number for that 10W-40 HM Mobil 1 (if memory serves) is 3.9

Re: Options for an oil burner [Re: Olas] #4570678
11/11/17 10:39 AM
11/11/17 10:39 AM
Joined: Sep 2008
Posts: 3,894
Southeast Texas
gfh77665 Offline
gfh77665  Offline
Joined: Sep 2008
Posts: 3,894
Southeast Texas
Originally Posted By: Olas
If there are no drips on the ground then he needs to look at rings, stem seals, guides and PCV.
They're the only places the leak can happen.


This.

If you want to try something before getting into mechanical repairs, try RESTORE. No its not a miracle cure but it does line cylinder walls with tiny metallic particles that boosts compression, all for less than $10.

After that, try a "high mileage" oil like MaxLife, one viscosity grade up.

Give this strategy a chance first.

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