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Old 17-06-2017, 10:47 AM
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Default 2011 wrx white smoke lack of power

Hi all,
I'm not mechanically minded so bare with me.
I have a 2011 WRX with no mods. Car has 91k.
Recently noticed white smoke from exhaust starting 30 secs after start up, and slightly smoking there after. I also feel the car is slightly lacking boost.

A call to a dealer says he believes it be a problem with IC, and a second opinion from a mechanic suggests it to be a blown head gasket.
Is it true this is common in this vehicle and nonetheless, does the above diagnosis seem to be correct?
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Old 17-06-2017, 01:27 PM
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Rebuild time. Yes, I am not a mechanic.
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Old 17-06-2017, 01:41 PM
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Invisible $20 on ring land.
if so, rebuild time.

+1 not a mechanic.
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Old 17-06-2017, 02:39 PM
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Go to a mechanic and get a sniff test done to confirm head gasket. When you pull up at home, pop the bonnet and keep an eye on your coolant overflow bottle. Does it bubble like a champagne bottle?

+2 not a mechanic.
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Old 17-06-2017, 05:01 PM
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Not IC, but could be rings, head gasket or just the turbo itself.
Get it sussed out soon by a good independent Subi specialist.
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Old 17-06-2017, 05:28 PM
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Check your coolant and oil levels over the coming week. If either of these levels start dropping you may a problem. I'd also get a pressure test and leak down test done. I got both tests done at STechnic and also asked them to check for any boost leaks.

Keep us posted as to the outcome.
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Old 17-06-2017, 06:52 PM
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Loads of people willing to help but sadly a forum diagnosis is hard for any of us. As others have advised an independent Subaru specialist is the go and STECHNIC or MAXIMUM MOTORSPORT are a good start.
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Old 17-06-2017, 07:35 PM
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Thank you all,
will have diagnoses done on Sunday..will keep posted....

Just as a matter of interest, as opposed to all the suggestions of 'rebuild' in the worst case scenario, what could be the best case scenario in lieu of what I posted?
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Old 17-06-2017, 10:44 PM
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Best case scenario is that it just needs a can of upper engine cleaner to remove oil buildup in the intake, and it's not down on power because you've just gotten used to it.

Internet doctor ftw!
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Old 18-06-2017, 11:53 AM
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1 ltr of lifter free in the oil and drive it

Possable ring land failure but do this first
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