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Discussion Starter #1
I have 46K miles on my xB in four years. It's always used a little oil, but more so as the miles have gone by. Two months ago I changed my oil and topped it off to the full mark. 1600 miles later, I check it and had to add 3/4 quart of oil to bring it back to the full mark. I know the manual states this is within the normal limit (I believe it states 1qt/600 miles); still crazy IMO.

So after checking around for any similar issues I found that Toyota released
T-SB-0094-11 on Nov 11th, 2011:

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"Some 2006 – 2011 model year vehicles equipped with the 2AZ-FE engine may exhibit engine oil consumption. The piston assembly has been changed to minimize oil consumption. Use the following repair procedure to address this condition."

YEAR(S) MODEL(S) ADDITIONAL INFORMATION
2007 – 2011 Camry HV, Engine(s): 2AZ, VDS(s): BB3EK, BB46K
2007 – 2009 Camry, Engine(s): 2AZ, VDS(s): BE46K
2009 Corolla, Engine(s): 2AZ, VDS(s): BE40E
2009 Matrix, Engine(s): 2AZ, VDS(s): GE40E, KE40E, LE40E
2006 – 2008 RAV4, Engine(s): 2AZ, VDS(s): BD31V, BD32V, BD33V, BD34V, BD35V, ZD31V, ZD32V, ZD33V, ZD34V, ZD35V
2007 – 2008 Solara, Engine(s): 2AZ, VDS(s): CE30P

Inspection Procedure
NOTE
In some cases, a P030# (cylinder # misfire detected) DTC may also be set as a result of oil consumption.
Perform an oil consumption test to determine the consumption rate.
1. Confirm the engine oil level is full.
2. Mark the oil dipstick to indicate the current level.
3. Replace the oil dipstick.
4. Mark the oil dipstick, oil drain plug, and oil fill cap to prevent/indicate tampering during the test.
HINT
Use tape, sealer, cable ties, or equivalent to mark the oil dipstick, oil drain plug, and oil fill cap.
5. Advise the customer to drive the vehicle normally for 1,200 miles and return for inspection.
6. Determine the quantity of oil that was consumed in 1,200 miles.
Was the oil level more than 1 quart low after 1,200 miles of normal driving?

YES — Go to the Repair Procedure.



NO — This TSB does NOT apply. Warranty guideline for acceptable oil consumption is 1 quart per 1,200 miles of operation. No warranty claim should be filed.
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It only lists Toyota models, but it should stand to reason that Scions with the same 4cyl engine (2AZ-FE) would be susceptible to the same issue.​

Has anyone heard or received anything from Scion regarding an oil consumption TSB?​

 

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Discussion Starter #2
I realize my oil consumption wouldn't pass their test of 1qt/1200miles. The TSB only covers you within 5yr/60k miles from your "in-service" date. It would be a little peace of mind to know this could be resolved if my oil consumption worsens within the next year. While I love my xB, I've never owned a car that consumed this much oil.
 

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Discussion Starter #3
Pass this on to anyone you know who owns a TC or xB that has oil consumption issues. I'd like to think that Toyota hasn't forgotten about Scion owners.
 

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I have a 2008 xB and I just added 1/3 qt. since the last oil change 1200 miles ago. That would be 1 qt. for 3600 miles if all stays the same. I filled up a qt. bottle with oil to see how many miles it takes to use a qt.

I've never had a car use oil, this one is the first for me.

I use Mobil 1, 5/20.
 

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Discussion Starter #5
That's the rate my car used a year ago. I'd have to add about a qt between changes. That's why i looked into this more since my current rate is double from last year. I have 46k miles. How many miles on you xB?
 

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This is VERY useful into. I'll check my oil in a few more miles to see what it's doing. Honestly, I haven't been testing it like I should . . .
 

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I'm wondering, does this extra consumption affect the cat. converters, spark plugs, or Ox sensors?
 

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Discussion Starter #13
I'm wondering, does this extra consumption affect the cat. converters, spark plugs, or Ox sensors?
It very well may. When it gets a little warmer outside this weekend I plan to check my plugs to see if they're fouled and/or if they look uniform across all four cyclinders. While I'm at it, I'd like to check if the compression of each cylinder is up to spec (I guess I'll call autozone to see if they loan that tool out).
 

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Discussion Starter #15
PDF of Toyota TSB 0094-11

For late night reading...

Attached is a pdf of the TSB. I still think Scions should be included.
 

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hbgti, thanks for the read on the fix, but I wouldn't trust that type of a repair to the tech's working at my Scion dealer. From what I've read on here and other forums not many people feel comfortable taking their Scions in for routine service, ie oil changes, they messed up 2 oil changes on my xB and I've haven't been back.

I will probably just use a 5/30 syn oil and see how that works for my next oil change.

By the time Scion gets around to doing something about this problem most of the 08/09 xB's will be well over 100k and won't fall into their recall fix.

Again, thanks for the information!
 

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Discussion Starter #17
I agree this isn't a simple TSB for the techs (which is why Toyota may have waited so long to release it).

I also contend that many of the current Toyota owners that this may affect are already over their 60K mile limit.

Maybe if Toyota gets enough complaints, they may extend the TSB to 100K for Toyotas/Scions (wishful thinking?).
 

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The TSB states (more than a qt. in 1200 miles) is a far cry from where you and I are at right now, so I would think for us to use that much oil in that amount of miles we would be at or over 100k. I would also believe that you would have to prove that you changed your oil every 5k even though it looks like it isn't a problem with the lack of changing the oil as bad parts/workmanship on Toyota's part.

I believe the better solution would be just replace the engines in question with quality rebuilt engines from a manufacturer that can handle this type of work, then send the old engine back to be remanufactured for install in the next vehicle that this TSB covers.

Give a 12 month/12k warranty on the rebuild.

Tech's that rebuild engines daily would be better equipped and done to higher standard.
 

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I believe he was simply answering my previous question regarding how many miles he has on his xB.

From reading other Toyota owner's experiences with similar issues it seems that the oil consumption gets progressively worse.
Sorry for my slip :(, and thanks for the clarification :)! My 2008 is at 10K, so probably nothing to observe, but given I've only 1 year left in the 5, I'm definitely interested!
 
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