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Discussion Starter · #1 ·
2005 X-trail SVE 2.2dci 103000 miles, owned since 2015 and driven approx. 15000 miles – Chesterfield based

Hi guys just had a scary problem with the vehicle and hoping you can give me some guidance as to a solution!

This afternoon when driving on country lanes at about 50mph, when there was suddenly loss of power and no throttle response. The vehicle slowed but continued to run if the throttle was depressed fully but would only go up to about 20mph. I had to continue like this for about two miles with hazard light on as nowhere safe to stop, uphill it would only go 10mph but luckily there was a layby at the top.I’m guessing this was limp mode? Never experienced it in this car before so not sure – there were no warning lights whatsoever on dash.

It had had a flat battery earlier in the week, which I put down to lack of use, so I first checked the battery with multimeter in layby which was 14.55v running and 12.5v when engine off so seemed ok battery/alternator wise. Restarted the engine, tickover no problem and throttle working fine and car driving great???

Carefully drove home without issue and tried my £30 Autolink AL319 code reader – surprised to see no codes whatsoever and the throttle position data was showing the correct % when depressing the throttle various positions? Gonna call into my friendly local garage in morning see if their expensive code reader brings anything up

Theres a couple of things I’ve thought of which could be related, other than the low battery charge.

  • All timed We’ve owned it its “hunted” the revs when cold – was looking at changing the scv soon? Also, rattly engine noise when cold but seems they all do this?

  • Maybe 3 times in time We’ve owned it when accelerating through gears and getting to about 60mph its hesitated and wouldn’t go above 60mph (wasn’t anywhere near rev limit) until I changed gears and revved again then was fine?

  • Over last few years car had been parked up over the winters 6 months at a time on decent trickle charger while we were working away which I know doesn’t do it any good
It’s the Wife’s’ car and she’s now worried to drive it as if fault happened on motorway could be very dangerous

Can you please give me some idea as to where to start and what sequence? Was hoping to see some codes to get me going right direction and I know an intermittent fault can be difficult to find. I’m ok with the spanners so happy to try some fixes if anyone can please help!

Searching on this great forum, I can see suggestions for similar faults :-

New air filter ( we service regularly)
Change fuel filter (done maybe 8000 miles ago with genuine Nissan),
New battery (good Varta one fitted 3 years ago)
SCV valve (is this more for the “hunting” problem thank no throttle response?)
Replace TPS/throttle pedal assembly?
Ecu not sending signal to TPS?
Replace Camshaft position sensor?
Replace/unplug MAF see if any different response?

If I can’t sort it myself can anyone suggest a specialist local to Chesterfield/Sheffield?

Its been a great car so far and the Wife loves it so want to make it all better and keep it as long as possible!

Thanks in advance for your time and attention

Pete
 

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Check out (6) *** Happened ? The Great Mystery | Nissan X-Trail Forum (x-trail-uk.co.uk) as this is very similar.

My T30 also sounds a bit rattly first thing but then quietens down after a short distance. I am careful not to either rev up or lift off abruptly during the rattly phase just in case the cam chain is not fully tensioned. The mileage on my T30 is just under 129k. Just wondering whether it would be a good preventative move to replace the cam chain and tensioner. Any thoughts? (Apologies for high jacking the thread.
 

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Keep a bit of paper in your glovebox with this reset procedure written on it below as it might help you when xtrail goes into a limp mode ...................



To carry out the reset carry out the following

Turn ignition on so all dash lights come on.

Wait 3 seconds

PUMP accelerator pedal 5 times within 5 seconds....

with foot now OFF accelerator wait 7 seconds...

After 7 seconds press and hold down accelerator pedal for 10 seconds...

After 10 seconds the Engine Management Light will start to flash, at this point remove foot from accelerator.

the Xtrail is now in diag mode, so let the EML flash for a bit. the press and hold the accelerator pedal down for more than 10 seconds..this will then reset ECU and fuel pump etc......and put them into learning mode.

NOTE: When the EML light is flashing, this is listing possible fault codes... so if you know how to read the fault codes or know the sequences then you can figure out any possible faults with your Xtrail without getting the dealer to do it!!






You have named most of the problems in your post, but I always tend to go first with the SCV if you don't know if it's ever been done and car drives fine after a re-start .Easy enough to change
 

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Discussion Starter · #4 ·
Keep a bit of paper in your glovebox with this reset procedure written on it below as it might help you when xtrail goes into a limp mode ...................



To carry out the reset carry out the following

Turn ignition on so all dash lights come on.

Wait 3 seconds

PUMP accelerator pedal 5 times within 5 seconds....

with foot now OFF accelerator wait 7 seconds...

After 7 seconds press and hold down accelerator pedal for 10 seconds...

After 10 seconds the Engine Management Light will start to flash, at this point remove foot from accelerator.

the Xtrail is now in diag mode, so let the EML flash for a bit. the press and hold the accelerator pedal down for more than 10 seconds..this will then reset ECU and fuel pump etc......and put them into learning mode.

NOTE: When the EML light is flashing, this is listing possible fault codes... so if you know how to read the fault codes or know the sequences then you can figure out any possible faults with your Xtrail without getting the dealer to do it!!






You have named most of the problems in your post, but I always tend to go first with the SCV if you don't know if it's ever been done and car drives fine after a re-start .Easy enough to change
thanks Leafy don’t suppose you or anyone would know the correct part numbers for the denso scvs for my car please?
 

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Discussion Starter · #6 ·
Oh I thought from reading posts here mine needed the two scvs red and green hopefully I’m wrong as this much cheaper?
 

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Nope just the one SCV on a 05' Xtrail 2.2 dci(Direct Common - rail injection ) engine

.The Di (Direct Injection) engine as fitted to the earlier 2.2 Xtrail had the 2 SCV's and many sellers on ebay say 2 fit the Dci as well which is misleading.
 

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Discussion Starter · #8 ·
Thanks so much Leafy, just ordered a genuine Denso one for £50.98 on Ebay. Bristol motors Nissan Chesterfield said it doesnt exist and I need a £2000 pump, yet their Sheffield garage said they could get the SCV in 3 days for £161 plus vat - Both fantastic offers!!!!

I had a look down the back of the engine with a torch today, but couldnt even see it so looks like a fun job! Sure better ,fingers crossed, once the scuttle and wipers are off using the great guide on here - let you know how I get on doing it and if it fixes my issues.

Appreciate all the help given by everyone so far means a lot!
 

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I have done a couple in the past and many owners on here have changed theirs .Once the scuttle panel is removed there is a lot more room to get an arm in down the back to the injector pump and remove SCV

It may sort the problem and may not but it is a fairly common problem they have from time to time and to throw £50 at it and do it yourself is worth a go
 

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Just about to do mine today.

Half done ie old valve out & new one going in tomorrow. Such a fiddly, knuckle scraping job. I found that the top bolt was only finger tight & a few bits of shredded o ring from the last change.
I found that the best tool was a 1/4 hex 5mm allen bit in a small hex ratchet handle
 
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