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popeclement Profile
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X-TRAIL FANATIC
 


Date Registered: 07-2008
Location: Perth, WA
TOTAL POSTS: 476
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Re: ECU Failure


Dealer advised today that the fault is not CAN Bus associated but rather an issue with a blocked EGR (minor blcokage).

Will await further news.

John

---
X-916, VW Golf 90TSi manual, limestone grey, no extras
2008 TL dc i, manual, twilight; full set bash plates, jaos strut bar
- traded
21/Sep/2010, 8:24 pm Link to this post Send Email PM   Send Private Message
 
Dadd Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 06-2008
Location: New South Wales
TOTAL POSTS: 182
Reply | QUOTE
Re: ECU Failure


John

Sorry to hear of your ongoing dramas with this vehicle - would I be right in assuming you will be getting rid of it before the warranty runs out ?

Cheers

Glenn

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Glenn X-889
2008 ST Manual
23/Sep/2010, 11:14 am Link to this post Send Email PM   Send Private Message ICQ AIM
 
popeclement Profile
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X-TRAIL FANATIC
 


Date Registered: 07-2008
Location: Perth, WA
TOTAL POSTS: 476
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Re: ECU Failure


Thks Glenn

They cleaned out the EGR lines and I drove it about 30k's last evening and the MIL came back on. So in it has gone today and they are now going to change the complete EGR valve.

For a vehicle that has done a lot of country work and has had a diet of BP Ultimate Diesel, I am surprised there appears to be issues in the EGR area.

Really weighing up my options - will talk to the lawyer and develop an action plan.

(When it's working it is a lovely car).

John

---
X-916, VW Golf 90TSi manual, limestone grey, no extras
2008 TL dc i, manual, twilight; full set bash plates, jaos strut bar
- traded
24/Sep/2010, 12:18 am Link to this post Send Email PM   Send Private Message
 
andyp1971 Profile
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Date Registered: 06-2010
Location: Ashwood, Melbourne
TOTAL POSTS: 174
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Re: ECU Failure


Is this EGR valve problem related to what's being described in the "Oil on filter" thread (at the top of the diesel page)?

Just wondering if whether its the same clogging issue as described by others or nae.


---
:) andyp

Toot toot chugga chugga big Flint car!

X-1628(c)
2010 T31 TS Flint, nudgie with bright eyes, light/bonnet protectors, mats, mud tray, parking beepy thing, tow, f/d/r boing plates, buggle-seat & window sox
24/Sep/2010, 12:14 pm Link to this post Send Email PM   Send Private Message
 
popeclement Profile
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X-TRAIL FANATIC
 


Date Registered: 07-2008
Location: Perth, WA
TOTAL POSTS: 476
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Re: ECU Failure


Interesting isn't it? That was my thought too but I need to be very careful how I approach this with the dealer and Nissan.

Unfortunately even though I am always an optimist, I have absolutely no confidence in the enduring reliability of this particular vehicle - I wanted to hand it down to my eldest son when he started driving, but I cannot.

In comparison with all other vehicles I have owned, this one has had the most faults and an unbelievable time off the road. (The aircond compressor also failed earlier this year and was replaced).

I have my doubts too about the diesel engineering design from Renault as done on this model. Compare with VW (we have a 3yr Golf in our company fleet & it has been troublefree)

I have operated the vehicle in almost ideal diesel conditions - long runs, clean fuel etc.

Even some of the techs working at the dealer whom I have got to know well, subtly suggested I should trade in.

John


---
X-916, VW Golf 90TSi manual, limestone grey, no extras
2008 TL dc i, manual, twilight; full set bash plates, jaos strut bar
- traded
25/Sep/2010, 7:47 am Link to this post Send Email PM   Send Private Message
 
Dieslndust Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 08-2009
Location: Port Adelaide
TOTAL POSTS: 133
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Re: ECU Failure


John
Sorry to here of the troubles

OK there is no such thing as a minor blockage of the EGR it is either open or closed, it is like soleniod valve. The warning light sensor goes off when the NOx levels get to high for the polution regs.

If you have a paper air filter remove it and see if it has oil stains - Dont bother if you have one of the K&N ones as the oil will not show
If it is stained then you have the oil blowback issue.
Hell I am going to be blunt - I know you have it! It is an inherant fault of all modern diesel engines that have to recirculate crankcase gases.This problem is not only limited to Nissan/Renault.


Suggest you read the oil thread issue to gain an understanding of it, to fix it they need to completely replace the EGR system,the air flow meter sensors, the turbo boost sensors, etc and completely clean the air intake system They have allready done this on my car under warranty. When they have cleaned it and make sure that they have by pulling off all of the ducting and having a look, install a provent filter, even though you think your car does not have the problem it will surprise you how much oil vapour there really is.

On the BP Ultra point they have only just started reproducing this after about a year without it - all they were selling in the meantime was their standard diesel through the ultra pumps!
Footnote hear to guys -
The new ultra diesel
IS NOT THE SAME AS THE OLD ULTRA DIESEL

The Cetane ratings are lower

My fuel rep tells me that it now just standard diesel with a flammable detergent mixed in when it is placed in the servo storage tank and not at the refinery

Cheers Joe
 

---
Joe & Jan
2009 TL Manual - Diamond White
Nudge Bar, Lightforce Spots, Tinted Windows, UHF Equiped, Fitted seat covers,Front bash plate,Dash matt, Towbar,Flat mirrors, Silenced Key Alarm, Custom aluminium rear sand slide plate, Provented
25/Sep/2010, 9:30 am Link to this post Send Email PM   Send Private Message
 
popeclement Profile
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X-TRAIL FANATIC
 


Date Registered: 07-2008
Location: Perth, WA
TOTAL POSTS: 476
Reply | QUOTE
Re: ECU Failure


Thanks Joe

I will continue the EGR discussion in the Provent thread.

Will also PM you.

John

---
X-916, VW Golf 90TSi manual, limestone grey, no extras
2008 TL dc i, manual, twilight; full set bash plates, jaos strut bar
- traded
25/Sep/2010, 1:42 pm Link to this post Send Email PM   Send Private Message
 
Dadd Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 06-2008
Location: New South Wales
TOTAL POSTS: 182
Reply | QUOTE
Re: ECU Failure


John

I agree that your car has been driven in what are generally acknowledged to be very favourable conditions for a diesel. It is rather strange that some ( most ?? ) have issues with EGR valves building up deposits where others seem OK.

From the research I've done I would venture to say that virtually all modern common rail turbo diesels eventually suffer from inlet manifold / EGR deposits which ultimately cause problems.

I agree that Nissan / Renault are not alone in this issue. My understanding is that VW has issues with inlet manifolds becoming choked with deposits and Mitsubishi have had issues with the 2.5 diesel in the Triton building up serious deposits in the inlet manifold and EGR about the 70k mark.

Whilst the new age diesels are a joy to drive I would never entertain the idea of one as a long term proposition. I have had old fashioned push rod and plunger pump diesels in the past and whilst they may have been an aquired taste ( ie pretty gutless ) to drive you couldn't kill them with an axe and if maintained would seemingly go forever.

Seems to me the modern diesels are something of a timebomb - if you have to replace a set of injectors and or a turbo ( and you will if you keep it long enough ) be ready to part with some serious cash. Whilst an old fashioned 2 litre diesel would be lucky to pull the skin off a rice pudding they were a very lazy unstressed motor. It seems big power and torque outputs come with some downside - a highly stressed motor is always going to be subject to more "issues" than a lazy unstressed motor IMHO.

Your patience has been sorely tested with the run of bad luck you've had and I really don't know how you've retained your sanity and sense of humour.

Last edited by Dadd, 25/Sep/2010, 2:06 pm


---
Glenn X-889
2008 ST Manual
25/Sep/2010, 2:03 pm Link to this post Send Email PM   Send Private Message ICQ AIM
 
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X-TRAIL FANATIC
 


Date Registered: 07-2008
Location: Perth, WA
TOTAL POSTS: 476
Reply | QUOTE
Re: ECU Failure


Wise words Glenn.

I am at the crossroads with my career as well which will limit driving to a single location - so country k's will be a thing of the past.

So I think it is wise to trade the vehicle in on a standard petrol engined vehicle and forgo some of the torque benefits of the diesel for long term reliability.

Your post will figure greatly in my considerations as I was contemplating the Provent mod, but now am pretty ambivalent about it all.

John

---
X-916, VW Golf 90TSi manual, limestone grey, no extras
2008 TL dc i, manual, twilight; full set bash plates, jaos strut bar
- traded
25/Sep/2010, 8:05 pm Link to this post Send Email PM   Send Private Message
 
TheDukester Profile
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X-TRAIL NEWBIE
 


Date Registered: 11-2010
TOTAL POSTS: 13
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Re:


Sorry to revive on old thread - but I'm having the exact same issue with my X-trail. Mil light came on - Nissan told me they cleared the block - 50km later the light came back on, back to the nissan garage - This time they tell me they need to replace the EGR system but they need to wait a week for parts. The Service guy said he's never seen this before and never heard of any issues. Which makes me think they're just trying to shut me up.

Having read this thread it seems like they should replace more than the EGR system but I'm not sure how to approach that with them as they're reluctant to tell me the truth anyway. I've checked my air filter regularly and don't have any oil stains on it - not sure if this was the same with your X-trail John?

Any advice welcome!



Last edited by TheDukester, 23/Feb/2011, 8:24 am
6/Feb/2011, 4:31 pm Link to this post Send Email PM   Send Private Message Blog
 


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