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2008-2010 2.5ltr Engine Failures

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Old 07 August 2015, 04:02 PM
  #1681  
bioforger
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Originally Posted by Tidgy
There's currently 70 subaru dealers, so if each sold 5 thats still only 350
Mango must have sold 20 odd.
Old 10 August 2015, 08:51 PM
  #1682  
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I don't care what year it is from 2008 onwards best thing is to throw away the boost gauge and get a Defi oil pressure gauge. Way more important
IMHO

As the Oul pump with little to no oil. Will pump air/oil to give enough positive pressure to turn the Oil light out.

Try it on a wan k engine. Mine used all the oil up in 200 miles. It was hot and bearings completely shot and put oil light out on tick over. I had to put 4.3ltrs of oil to reach the mark. So it has enough pressure to pilot light out but not enough to lubricate anything

Tony
Old 11 August 2015, 11:20 AM
  #1683  
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Originally Posted by T5NYW
I don't care what year it is from 2008 onwards best thing is to throw away the boost gauge and get a Defi oil pressure gauge. Way more important
IMHO

As the Oul pump with little to no oil. Will pump air/oil to give enough positive pressure to turn the Oil light out.

Try it on a wan k engine. Mine used all the oil up in 200 miles. It was hot and bearings completely shot and put oil light out on tick over. I had to put 4.3ltrs of oil to reach the mark. So it has enough pressure to pilot light out but not enough to lubricate anything

Tony
Had a near miss with a Mondeo v6....ran out of oil- as in less than half a pint drained out. The only thing that saved it was the timing chain tensioner lost enough oil pressure to allow it ito jump a couple of teeth; not enough to damage valves but enough to stop it running properly, even then the oil pressure light went out during cranking. And when it did fire up it didn't make any nasty noises; no rattles, taps or knocks.

Also had a near miss with a Audi with a faulty oil level sensor; no dip stick to check.

What a oil pressure gauge shows is not just oil pressure, but if it's a undamped type (reacts instantly -not sure if Defis are), it can also show fluctuations where a healthy oil pressure is interrupted by high frequency fluctuations, which could be air or some other failure, in one case with a Tigra it was a thrust bearing failure causing excessive end float as the crank moved back and fourth, the resulting movement meant the oil ports from the main bearings would get closed off or opened up evey time the crank moved...gave very interesting readings and explained why the top end didn't sound very healthy, engine was shot but the gauge showed clearly something serious had failed without having to take it apart, oil pressure light stayed off throughout.
Old 13 August 2015, 02:34 PM
  #1684  
maca1
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Default 2009 wrx-s

2009 wrx-s any one got one any good or another bad engine
Old 10 September 2015, 11:56 AM
  #1685  
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yep had 2009 in black, no issues with them so I'm led to believe only STI
Old 03 November 2015, 01:45 PM
  #1686  
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Originally Posted by Dave T-S
You can add another to the list:

My June 2010 330R (STi UK limited edition, with the Prodrive Pack), 33k miles, will be having its engine pulled out on Tuesday. A compression test was done on it this morning and no 4 cylinder is only half the compression of the other three

Car is completely standard and unmodified. Never been on track, not driven bouncing off the rev limiter, wasn't using any oil.
Well, an update on the post above from back in 2012:

In June 2014 I traded my STi above in for another late STi hatch (first registered in April 2013, almost certainly the last STi hatch registered in the UK).

It had 8,600 miles on the clock when I bought it. I had a Pro R 340 pack fitted at that date, and it has now done 29,000 miles.

Again, the car is completely standard and unmodified. Never been on track, not driven bouncing off the rev limiter, wasn't using any oil.

Guess what? It has a hesitation, and after a trip to the dealer last Friday and some investigation by them, it is showing an issue with no 4 cylinder. No sh 1t!

The dealer wants to fit a new set of plugs! I said, whilst you have the plugs out, you might want to do a compression test...............

So, looks like I have the second car to have a failure!

Did I mention I ordered a 2016 Focus RS a couple of weeks ago?

Last edited by Dave T-S; 03 November 2015 at 01:47 PM.
Old 03 November 2015, 02:06 PM
  #1687  
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how much discount you get Dave, my spec would be 34k. you manage to get it under 30 ?
Old 03 November 2015, 02:11 PM
  #1688  
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Originally Posted by Littleted
how much discount you get Dave, my spec would be 34k. you manage to get it under 30 ?
Ford won't allow dealers to give a penny off list price of the 2016 Focus RS.

I will be PX'ing a nice 2013 WRX STi
Old 03 November 2015, 06:44 PM
  #1689  
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Originally Posted by Dave T-S
Well, an update on the post above from back in 2012:

In June 2014 I traded my STi above in for another late STi hatch (first registered in April 2013, almost certainly the last STi hatch registered in the UK).

It had 8,600 miles on the clock when I bought it. I had a Pro R 340 pack fitted at that date, and it has now done 29,000 miles.

Again, the car is completely standard and unmodified. Never been on track, not driven bouncing off the rev limiter, wasn't using any oil.

Guess what? It has a hesitation, and after a trip to the dealer last Friday and some investigation by them, it is showing an issue with no 4 cylinder. No sh 1t!

The dealer wants to fit a new set of plugs! I said, whilst you have the plugs out, you might want to do a compression test...............

So, looks like I have the second car to have a failure!

Did I mention I ordered a 2016 Focus RS a couple of weeks ago?
Crappy standard map That's bad luck if it is another failure. Although it could just be a faulty coilpack/plug as the dealer suggested or even corrosion in an HT lead. Let us know what the outcome is please. Also what type of fuel did you run your previous and current scoob on?

Last edited by bioforger; 03 November 2015 at 06:46 PM.
Old 03 November 2015, 10:24 PM
  #1690  
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Originally Posted by Dave T-S
Well, an update on the post above from back in 2012:

In June 2014 I traded my STi above in for another late STi hatch (first registered in April 2013, almost certainly the last STi hatch registered in the UK).

It had 8,600 miles on the clock when I bought it. I had a Pro R 340 pack fitted at that date, and it has now done 29,000 miles.

Again, the car is completely standard and unmodified. Never been on track, not driven bouncing off the rev limiter, wasn't using any oil.

Guess what? It has a hesitation, and after a trip to the dealer last Friday and some investigation by them, it is showing an issue with no 4 cylinder. No sh 1t!

The dealer wants to fit a new set of plugs! I said, whilst you have the plugs out, you might want to do a compression test...............

So, looks like I have the second car to have a failure!

Did I mention I ordered a 2016 Focus RS a couple of weeks ago?
Dave my 2011340R drank all its oil in under 300 miles. Mine needed £8k engine.

Yes no deals on RS. Actually the price has gone £1k higher on second batch.
Old 04 November 2015, 08:07 AM
  #1691  
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Originally Posted by bioforger
Crappy standard map That's bad luck if it is another failure. Although it could just be a faulty coilpack/plug as the dealer suggested or even corrosion in an HT lead. Let us know what the outcome is please. Also what type of fuel did you run your previous and current scoob on?
hahaha, you don't work for subaru do you?
Old 04 November 2015, 01:18 PM
  #1692  
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Originally Posted by bioforger
Crappy standard map Also what type of fuel did you run your previous and current scoob on?
Always only super unleaded, mostly Shell V Power.
Old 04 November 2015, 06:21 PM
  #1693  
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Originally Posted by Tidgy
hahaha, you don't work for subaru do you?
Shut it you tart
Old 04 November 2015, 10:14 PM
  #1694  
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Originally Posted by Dave T-S
Always only super unleaded, mostly Shell V Power.
Just wondering what else did you use other than v power?
Old 04 November 2015, 10:17 PM
  #1695  
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Originally Posted by Dave T-S
Always only super unleaded, mostly Shell V Power.
Anything back from the dealer on the compression test then? If they did one.
Old 05 November 2015, 07:33 AM
  #1696  
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Originally Posted by bioforger
Anything back from the dealer on the compression test then? If they did one.
It's booked in for tomorrow. Trust me, they WILL be doing a compression test .
Old 05 November 2015, 07:33 AM
  #1697  
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Originally Posted by Jonis
Just wondering what else did you use other than v power?
Why do you ask?
Old 06 November 2015, 05:20 PM
  #1698  
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Originally Posted by bioforger
Shut it you tart


Old 06 November 2015, 05:28 PM
  #1699  
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Originally Posted by Dave T-S
Why do you ask?
Just interested to know what else you used, as I had similar probs
Old 06 November 2015, 06:10 PM
  #1700  
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Every time I read this thread I am fascinated and await the day mine gives up. My MY11 STI 320R is now on 88k and performs well. From day one it used about a pint of oil every 5,000 miles and it continues to do so. It has been serviced to the book and has only ever seen V-power. It is starting to show a bit of end float on the crank felt through the clutch but apart from that no signs of issues. Could it be down to how well you treat them?
Old 06 November 2015, 06:12 PM
  #1701  
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Originally Posted by bioforger
Crappy standard map That's bad luck if it is another failure. Although it could just be a faulty coilpack/plug as the dealer suggested or even corrosion in an HT lead. Let us know what the outcome is please. Also what type of fuel did you run your previous and current scoob on?
the 340R package isn't a Standard map though is it?
Old 06 November 2015, 06:47 PM
  #1702  
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Originally Posted by salsa-king
the 340R package isn't a Standard map though is it?
Yea ok fair point not a standard Subaru map, but i class it that way as it's still poop compared to an independent dyno or road map. As its just an ECU flash, so the map is not tailored to the car its applied to. Which is something all independent mappers do.

Last edited by bioforger; 06 November 2015 at 06:49 PM.
Old 06 November 2015, 06:58 PM
  #1703  
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Tony had issues with the 340R package only giving stupid 300ish BHP and drinking fuel IIRC.

Maybe more to the issue than just the map
Old 07 November 2015, 02:03 AM
  #1704  
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Originally Posted by salsa-king
Tony had issues with the 340R package only giving stupid 300ish BHP and drinking fuel IIRC.

Maybe more to the issue than just the map

I was lead to believe it was an issue in sports# that the tumbler valves were in throughout the rev range. Although worked correctly in Sports.

Tony
Old 13 November 2015, 03:43 PM
  #1705  
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Originally Posted by Dave T-S
It's booked in for tomorrow. Trust me, they WILL be doing a compression test .
Just out of interest, what was the compression test result please?
Old 23 November 2015, 09:05 AM
  #1706  
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I got new rings for mine from www.lymmengineparts.co.uk They were in Hastings. I generally have to replace them quite often. They do burn out if you are increasing boost pressure. I suppose the next stage for me would be a set of Forged Mahle Motorsport pistons. Need to count out a few more coins first though!!
Old 08 December 2015, 10:03 PM
  #1707  
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Guys got a 2008 hatch, its got 50 k on clock
I don't know if its been mapped at all

How do I tell, do I need to get it mapped to stop it going bang

any advice please
thanks
Old 09 December 2015, 06:44 PM
  #1708  
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Originally Posted by beanys
Guys got a 2008 hatch, its got 50 k on clock
I don't know if its been mapped at all

How do I tell, do I need to get it mapped to stop it going bang

any advice please
thanks
If it's a WRX probably not (but I'm sure others have better knowledge) but if it's an STi then I would. I got mine last year with 52K on an 08 plate and it went bang, luckily it was under warranty and they coughed up for a new block.

There was a map tweak from Subaru UK to try and help, but I get the feeling it doesn't.

Keep away from the rev limiter, I hit it once for the briefest of times (missed a gear) and I think that was all it needed to crack 2 pistons
Old 09 December 2015, 09:24 PM
  #1709  
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Thanks Fatboy.

it is a STI

Anyone recommend in Nottingham ,how much will it cost

Thanks
Old 10 December 2015, 11:59 AM
  #1710  
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Hi beanys. Did u manage to get your exhaust fitted mate?? Nearest for us mate is clinic or area 52 . Clinic for me as pat worked is magic on my classic and been happy with it for the last 3 years running 335 . Never used area 52 know lots who have though . Be looking best part of £300 so better to fit a sports cat, or decat .and anything else like induction kit before u venture up there . You don't wanna pay twice nice car by the way mate enjoy it . Don't let all the bad comments get to u even a fully built forged 2.35 will blow up if not treated right . If it breaks mend it only better 👍 my hatch only did 8900 miles from new before toasting an engine . Fingers crossed it's all sorted now loving life at 27000 . Stay away from bouncing off the limiter set your shift light at a reasonable rpm and enjoy your car for wot you brought it for

Last edited by ezesti330s; 10 December 2015 at 12:01 PM.


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