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Old 03-31-2012, 11:49 PM   #1
gordyzero
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Default 2011 STI blown pistons 13k stock tune !

Repeat cylinder 4 misfires, dealer did a leak down test. Told me cylinder 3&4 were smoked! Making no more than 80 psi. Stock tune, never beat this car, never raced, launched, nothing. This is my 3rd WRX and my first STI . I couldn't be more disappointed. Is anyone else having this issue who doesn't even beat the **** out of their car ? I heard the cracked ringland stories before from aggresive drivers. I have never even broke. 100 MPH in this car. Pathetic !
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Old 03-31-2012, 11:58 PM   #2
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**** happens, you get a bad tank of gas and the stars and planets align just right as a sun spot occurs and you get a problem. You have a warranty for this exact reason. Manufacturers guarantee their products not to break and if they do, they replace them. There should be no surprises here. Just suck it up and enjoy the loaner car and see if you can get any extra perks.
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Old 04-01-2012, 12:10 AM   #3
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Agreed ,your right. Suck it up I will. I have to admit after this I don't feel as good as I once did about the brand. The tech @ the dealer recommended upgraded pistons and a tune. Then went in to tell me the stock pistons suck and it will happen again. I appreciate the honesty. I have to say @ 40 grand I expected better. Thats all.
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Old 04-01-2012, 12:42 AM   #4
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It's not that the stock pistons suck. They are as good as you can for a cast piston. Forgings are stronger, but need more cylinder wall clearance and cold you have piston slap issues.

What does suck is the tune. For emissions reasons the transition from closed loop to open is delayed when you first dip into the throttle and you are lean in that transition.

Just don't tell the dealer about the non- OEM tune. With a stage 1, you can pick up a little power/torque too. After the rebuild/new short block just take it to an independent shop ASAP to do the deed...

P.S. The '04 has 3 different OEM tunes. The early ones were subject to detonation. The later ones have 2 degrees less spark advance.
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Old 04-01-2012, 12:54 AM   #5
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this is why a tune is the FIRST thing you have to do to these cars....just to get rid of the factory tune....and hope yer local dealer is k00 and understands that this is needed and wont deny you warranty work because of it
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Old 04-01-2012, 01:06 AM   #6
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I went Cobb stage 2 within the first 5 days of owning my car. I bought it in June 2011 and I already have 22000 miles it. I hit 20psi at least 4 to 5 times a day. I beat on my car. My point is, the stock tune seems to be the problem. After your car is fix, get a tune. At least Cobb stage 1.
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Old 04-01-2012, 01:04 AM   #7
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Thanks for the tip! I have been told numerous times the tune sucks. Honestly I can't get my head around that, but I do believe it. I have always kept my cars stock. And never had a single problem. My last car 07 WRX limited had 145,000 on the clock when I traded it. Original clutch, rear brakes and turbo. Still didn't use a drop of oil. I would often laugh at my friends who had the " tuned " NIGHTMARES ... it was always a problem. Mostly cobb stage 2 and lots of abuse, those tunes led to glowing red turbos, massive oil consumption ... not to mention other minor issues. I thought Subaru would be able to produce a safer tune. Not to mention this problem I am having started @ 8,000 miles. I just kept deleting the code. Thinking it was bad gas. I really feel stupid for that. Now I am hoping that the bearings are damaged as well. According to the dealer its the only way they can give me a long block. If not to a short block @ best. This bone is going to get traded before the warranty runs out. The dealer told me any map tune & I will no longer have a warranty. Great! Time for a beer.
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Old 04-01-2012, 07:04 AM   #8
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Originally Posted by gordyzero View Post
Thanks for the tip! I have been told numerous times the tune sucks. Honestly I can't get my head around that, but I do believe it. I have always kept my cars stock. And never had a single problem. My last car 07 WRX limited had 145,000 on the clock when I traded it. Original clutch, rear brakes and turbo. Still didn't use a drop of oil. I would often laugh at my friends who had the " tuned " NIGHTMARES ... it was always a problem. Mostly cobb stage 2 and lots of abuse, those tunes led to glowing red turbos, massive oil consumption ... not to mention other minor issues. I thought Subaru would be able to produce a safer tune. Not to mention this problem I am having started @ 8,000 miles. I just kept deleting the code. Thinking it was bad gas. I really feel stupid for that. Now I am hoping that the bearings are damaged as well. According to the dealer its the only way they can give me a long block. If not to a short block @ best. This bone is going to get traded before the warranty runs out. The dealer told me any map tune & I will no longer have a warranty. Great! Time for a beer.
Karma's a bitch, isn't it?

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Old 04-01-2012, 01:14 AM   #9
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WRX904, I am totally on your side. But the dealer said any tune mod, they will know and they cant honor my warranty any longer. This sucks. But so far is my reality. I don't know my way around this one. I will see what they find when they tear the motor down Monday. The support here is great. Thank you all. I'm just a simple guy who wants to just drive my car and trade it every few years. No track days, no bull****. I should have never sold my dodge omni. LOL....
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Old 04-01-2012, 03:10 AM   #10
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Here is how I look at it ...

When my WRX comes in, I'm flashing it to stage 1 right away. Sure, my drivetrain warranty will be gone, but IMO there is no reason that a stage 1 tune should blow my motor .. so if it happens, it would have happened even if I stayed stock. I'm personally willing to gamble, and flash a better tune to try to preserve my motor, because I feel that is the reason for the failures.

I figure if stuff breaks that would have been covered under warranty, I'll just replace it with good aftermarket stuff. Sure, I could get burned and have to replace a shortblock at my own cost ... but I promise you the shortblock I put in there will not blow up at stage 2 .

If cash is tight for you, and you need that warranty, then stay stock. Just keep in mind that at 60k, the warranty is gone regardless .. I simply refuse to worry about it or worry about "oh what if Subaru denies my claim" .... I say screw em, I'll deal with it myself and replace broken stuff with better stuff.

edit: Forgot to add ... based on what I said above, here is my advice. Ask Subaru if they would replace the pistons and rods in the new shortblock prior to install with some forged ones you will provide. They may allow this, but will tell you that it will then void your warranty ... but DO IT. You will likely have to pay for the pistons and rods yourself, but this is your opportunity to never worry about ringlands again, or have to pay for the labor of install. Just my 2 cents.

Last edited by GrumpyPitbull; 04-01-2012 at 03:23 AM.
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Old 01-19-2014, 10:42 PM   #11
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Originally Posted by GrumpyPitbull View Post
Here is how I look at it ... When my WRX comes in, I'm flashing it to stage 1 right away. Sure, my drivetrain warranty will be gone, but IMO there is no reason that a stage 1 tune should blow my motor .. so if it happens, it would have happened even if I stayed stock. I'm personally willing to gamble, and flash a better tune to try to preserve my motor, because I feel that is the reason for the failures. I figure if stuff breaks that would have been covered under warranty, I'll just replace it with good aftermarket stuff. Sure, I could get burned and have to replace a shortblock at my own cost ... but I promise you the shortblock I put in there will not blow up at stage 2 . If cash is tight for you, and you need that warranty, then stay stock. Just keep in mind that at 60k, the warranty is gone regardless .. I simply refuse to worry about it or worry about "oh what if Subaru denies my claim" .... I say screw em, I'll deal with it myself and replace broken stuff with better stuff. edit: Forgot to add ... based on what I said above, here is my advice. Ask Subaru if they would replace the pistons and rods in the new shortblock prior to install with some forged ones you will provide. They may allow this, but will tell you that it will then void your warranty ... but DO IT. You will likely have to pay for the pistons and rods yourself, but this is your opportunity to never worry about ringlands again, or have to pay for the labor of install. Just my 2 cents.
I will have agree with you 100% I got my stage 1 tune at 2k miles and I felt big diff in power and my mpg actually got better!! I currently have a stage 2 tune and I hit around 20psi everyday and no problems nothing at all runs smooth just don't keep it at high rpms for too long. Dealer did void my warrenty at 22kmiles but idc lol car runs good
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Old 04-01-2012, 11:55 AM   #12
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Karma, maybe. ? Spending more money too lose a warranty . Isn't something Im interested in. I have to admit defeat. Everyone , even the dealer says forged pistons and a tune. I drove **** box cars for years had to work on them all the time. You won't catch me under the hood anymore. Its gross that a stock tune & internals can't survive. Maybe all the low engine speed driving I did contributed to this failure in some way.
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Old 04-01-2012, 02:13 PM   #13
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Originally Posted by gordyzero View Post
Karma, maybe. ? Spending more money too lose a warranty . Isn't something Im interested in. I have to admit defeat. Everyone , even the dealer says forged pistons and a tune. I drove **** box cars for years had to work on them all the time. You won't catch me under the hood anymore. Its gross that a stock tune & internals can't survive. Maybe all the low engine speed driving I did contributed to this failure in some way.

I'm with you 110%, a bone stock off the lot car, sports car, highway sled, whatever, with proper care and maintenance, reasonable driving, should not drop a motor. A Yugo, maybe, otherwise....

Then the kicker, if you modify it to make it reliable it voids the warranty.

Subaru has had a problem with the oem tune since '04, you'd think they would have it right by now.
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Old 04-01-2012, 02:49 PM   #14
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I really hate seein this! It just boggles my mind that Subaru puts out a tune on these that they do. Anyone that has seen the stock tune can see without even a datalog that the tune sucks! REALLY SUBARU??? Give us a break. I've had a heavily modded WRX that put out 340 WHP and a stage 2 STI. The difference, a good tune. A friend of mine had this happen on his 08 STI, 15,000 miles later the motor went out again and the dealership wouldn't cover the cost so he ended up buying a new motor. Its ridiculous that the dealership Is telling you that forged pistons and a tune are the correct fix and yet Subaru will deny the warranty work is something happens. They're a billion dollar company that cant get something so simply fixed. I guess they don't like being showed up by a little mom and pop shop that takes a few extra hours and does it right. Very sad!

OP, push for the new block, if you can, even if you have to pay out of pocket a little for the product and work. You will be happy in the long run, trust me. If you need an additional source for confirmation, PM me.
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Old 04-01-2012, 04:16 PM   #15
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Quote:
Originally Posted by fourmicah
I really hate seein this! It just boggles my mind that Subaru puts out a tune on these that they do. Anyone that has seen the stock tune can see without even a datalog that the tune sucks! REALLY SUBARU??? Give us a break. I've had a heavily modded WRX that put out 340 WHP and a stage 2 STI. The difference, a good tune. A friend of mine had this happen on his 08 STI, 15,000 miles later the motor went out again and the dealership wouldn't cover the cost so he ended up buying a new motor. Its ridiculous that the dealership Is telling you that forged pistons and a tune are the correct fix and yet Subaru will deny the warranty work is something happens. They're a billion dollar company that cant get something so simply fixed. I guess they don't like being showed up by a little mom and pop shop that takes a few extra hours and does it right. Very sad!

OP, push for the new block, if you can, even if you have to pay out of pocket a little for the product and work. You will be happy in the long run, trust me. If you need an additional source for confirmation, PM me.
Subaru HAS to put the tunes on like that to meet federal emission standards. If they don't meet the standards, they aren't allowed to sell cars here in the states. If you want it to be reliable, YOU have to have it tuned by a third party.

It has nothing to do with Subaru being "showed up". It all comes down to cost and regulations. Period.
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Old 04-01-2012, 09:08 PM   #16
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Subaru HAS to put the tunes on like that to meet federal emission standards. If they don't meet the standards, they aren't allowed to sell cars here in the states. If you want it to be reliable, YOU have to have it tuned by a third party.

It has nothing to do with Subaru being "showed up". It all comes down to cost and regulations. Period.

Buyer beware....We sell a vehicle that meets all emission regulations, but because we can not find a better way to meet these regulations, our product may self destruct and become useless at any moment. We are well aware our vehicle is often used in a sporting manner but we can and often do deny warranty issues that we know are are due to our inability to effectively meet these regulations.

Last edited by k mier; 04-02-2012 at 04:20 AM.
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Old 04-01-2012, 09:11 PM   #17
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well as far as they will know i was on the highway going 50mph when it happened..
Hey doesn't matter to me, I raced my WRX. Don't market a car as a "sports car" if you can't warranty it that way.

Quote:
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Buyer beware....We sell a vehicle that meets all emission regulations, but because we can not find a better way to meet those regulations, our product may self destruct and become useless at any moment. We are well aware our vehicle is often used in a sporting manner but we can and often do deny warranty issues that we know are are due to our inability to effectively meet this regulations.
Bullcrap I tell you!
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Old 04-01-2012, 09:14 PM   #18
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Hey doesn't matter to me, I raced my WRX. Don't market a car as a "sports car" if you can't warranty it that way.
exactly. and esp if the car is stock..
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Old 04-02-2012, 01:52 PM   #19
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Subaru HAS to put the tunes on like that to meet federal emission standards. If they don't meet the standards, they aren't allowed to sell cars here in the states. If you want it to be reliable, YOU have to have it tuned by a third party.

It has nothing to do with Subaru being "showed up". It all comes down to cost and regulations. Period.
True but not completely.

Subaru could got with a more appropriate stock tune that won't blow the motor, but this would result in the buyer having to pay the "Gas Gluzzer" tax, which can been pretty steep as well as additional regulations fees to be paid by Subaru.

Therefore, to avoid this and other federal emissions regulations Subaru estimated what will cost the company more...let the STi come over with a safe tune, but put out more emissions, thus costing the end user and company more money to legally bring the car to the US. Or take your chances and tune the car to be within federal emissions specs, avoid the gas guzzlers tax and take you losses on the few motors that go boom. As you can see Subaru estimated that it will cost the company less to fix blown motors than to pay the additional taxes and regulation fees to bring the car over with a good tune.

As everyone likes to point out the tune/ringland issue seemed to really pipe up during 2008 and onward...Well that just so happens to be around the time our ecomony was starting its downward spiral. So this could have been part of Subaru's plan to weather those times and cut costs where possible. We will never know.
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Old 04-02-2012, 03:05 PM   #20
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I am not seeing a TP OTS stage 1 tune for the 2012 STi on their site. Am I missing something?

Why is the TP map so much better than the Cobb OTS map?
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Old 04-02-2012, 04:16 PM   #21
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True but not completely.

Subaru could got with a more appropriate stock tune that won't blow the motor, but this would result in the buyer having to pay the "Gas Gluzzer" tax, which can been pretty steep as well as additional regulations fees to be paid by Subaru.

Therefore, to avoid this and other federal emissions regulations Subaru estimated what will cost the company more...let the STi come over with a safe tune, but put out more emissions, thus costing the end user and company more money to legally bring the car to the US. Or take your chances and tune the car to be within federal emissions specs, avoid the gas guzzlers tax and take you losses on the few motors that go boom. As you can see Subaru estimated that it will cost the company less to fix blown motors than to pay the additional taxes and regulation fees to bring the car over with a good tune.

As everyone likes to point out the tune/ringland issue seemed to really pipe up during 2008 and onward...Well that just so happens to be around the time our ecomony was starting its downward spiral. So this could have been part of Subaru's plan to weather those times and cut costs where possible. We will never know.
I have no idea if Subaru could get a better tune with just a Gas Guzzler tax.

As to the ringland/tune issue it first popped up in '07. That year they dropped (no pun) the sodium cooled exhaust valves, and redesigned the heads for better cooling to compensate as a cost savings.

I don't know if this is a red herring, or not. The sodium valves could have been a quick and expensive way to get the EJ257 into production for the USDM and it just took several years to develop the new heads.

2007 also had new, tighter vehicle emission regulations. Hence the new tune tying Subaru's hands.

(I have worked for OEM truck suppliers and every time there is a new, tighter emissions law coming into place the orders skyrocket just before and it is a very good year for sales. Conversely, the year after the change the sales nose dive. Trucking companys' do not want to be guinea pigs with their working vehicles and get all of their new rolling stock for the next few years BEFORE the change.)
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Old 04-02-2012, 05:11 PM   #22
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I have no idea if Subaru could get a better tune with just a Gas Guzzler tax.
Sorry I meant to say Gas Guzzler tax in addition to other emissions exempt regulations fees (which are paid for by Subaru, not the end user like the Gas Guzzler Tax).

Either way Subaru is playing the odds that it will cost less to warranty blown motors than to pay the federal government additional regulation fees (which are hundreds of thousands of dollars).
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Old 04-26-2012, 05:38 PM   #23
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Originally Posted by 2Fast4U1DAY View Post
Subaru HAS to put the tunes on like that to meet federal emission standards. If they don't meet the standards, they aren't allowed to sell cars here in the states. If you want it to be reliable, YOU have to have it tuned by a third party.

It has nothing to do with Subaru being "showed up". It all comes down to cost and regulations. Period.
I do not agree with is....If you cannot make reliable product withing the regulations and make a profit..Do not make it...Because so many other do make reliable cars under the same rules..Only explanation I can see is that SUBARU is cutting corners..After hearing these stories...This will be my last SUBARU...
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Old 04-01-2012, 04:46 PM   #24
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I think this is the first 2011 to blow a stock motor. They don't have the same problems as the 08-10.
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Old 04-01-2012, 06:52 PM   #25
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I think this is the first 2011 to blow a stock motor. They don't have the same problems as the 08-10.
I hope you're right.

I am going through a similar situation with MY 11, I just havent ignored the CELs unlike the OP.

http://forums.nasioc.com/forums/show....php?t=2321863

I am getting a compression/leakdown test next week to see if there is any internal damage yet.

If everything looks good then I am probably going to get it tuned ASAP.
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