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Discussion Starter · #1 ·
Hi, I have a '54 plate X-trail 2.2 dCi. Today I had a loss of power problem

Taking an exit off a slow (40mph) dual carriageway turned gradual bend/mild-med hill and suffered loss of power. Virtually as if accel input made no difference. No stuttering/smoke/smells/noises/lights, just slow down. By top of hill (400m?) I'd "hit" 10 or so in first. No sign of stalling just no power. Car would slow if accel released, and mild power back to ~10mph if accelerated. No difference flooring it.

Stopped after reaching a bus stop ~500-700m further on, made a phone call & restarted <5 mins later. car was fine. Drove 5 mins, parked (shopping). Left ~25 mins later. car fine.

After ~3 km similar thing happened, not turning, mild hill, normal accel then suddenly similar symptoms. Turned off into a supermarket. Stopped, called breakdown.

breakdown guy checked ECU errors, revved, inspected. No issues found/no smoke (no idea?) after a few calls/discussion figured out either we carried on or he could transport car home. suggested noting issues, going to dealer. Only minor point he noted was some pulsing between 730 - 980 or so rpm on a regular basis when car first started from cold for around 5 mins -- but we always get that in this car.

He then followed us for ~8 km to check all was well. Did a variety of hard accel, mild, hills. No issues/smoke etc.

About 4 km later had same issue again. This time when I hit the go-slow I went to turn around but stalled. On *immediate* restart full power returned.

Continued journey for ~40km driving gently. no issues. Stopped for ~5 hours. Then drove ~80 km home, very gently (up to 2.5k rpm), no issues. Did some brisker accel later on, but only briefly as dark/cold! NO problems.

In Jan 2009 the fuel filter was replaced after a similar issue, although from memory that time the effect was less severe, limiting us to around 40 mph. Also I think last time recover took longer, whilst this time an immediate restart seemed to fix.

Intercooler was changed ~1.5 years ago, turbo was professionally inspected then, and again 6 months ago & no sign of leaks etc. Battery was swapped around 3 months ago after some sluggish starting in cold weather (resolved).

Car has done ~55k miles

Ideas?
* Fuel filter?
* Fuel pump?
* Sensor/ecu issue?
* turbo?

ANd specifically any observations/driving tests to help narrow down the issue to give the dealer any help in identifying the cause.
 

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Discussion Starter · #4 ·
Lots of possibilities. Am thinking of trying
- ECU reset (disconnect power) -- and allow to re-learn, in case of any sw/learn error - should be safe
- Diesel additive - thinking of trying a 5 UKP STP/Coma/Redex additive (can't imagine it would cause issues, probably won't help, but cleap)
- Fuel filter change (will get dealer to do this, so will be after the easter hols)

then will probably book in for more thorough investigation at £££. Thinking of going to a good local independent this time instead of mail dealer.
 

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You don't say how many miles since Fuel filter Change.With my 55 plate 136 DCI 1st filter lasted 24k approx,2nd 16k approx.Now done 50k so keep a spare(about £20 Dealer or Halfords)just in case.Dealers charge about £35 to change,so with vat about £65/70.I think Xy seems very choosey about quality of fuel so now use only BP ultra or Shell V Power(yes I know it's expensive).Both my filter problems occured after using same pump at our local Tescos.IMHO think you can be unlucky and pick up 'dirty' fuel almost anywhere,not mileage or time related.Have seen some comments about quality/mix of both petrol and diesel,and Fuel Cos seem pretty tight lipped about what they're doing.Dealers here blame Supermarket fuel but you'd think that with s/market footfall theirs is unlikely to get stale?Anyone on here work for a fuel co and want to comment? :confused:
 

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woodsie said:
You don't say how many miles since Fuel filter Change.With my 55 plate 136 DCI 1st filter lasted 24k approx,2nd 16k approx.Now done 50k so keep a spare(about £20 Dealer or Halfords)just in case.Dealers charge about £35 to change,so with vat about £65/70.I think Xy seems very choosey about quality of fuel so now use only BP ultra or Shell V Power(yes I know it's expensive).Both my filter problems occured after using same pump at our local Tescos.IMHO think you can be unlucky and pick up 'dirty' fuel almost anywhere,not mileage or time related.Have seen some comments about quality/mix of both petrol and diesel,and Fuel Cos seem pretty tight lipped about what they're doing.Dealers here blame Supermarket fuel but you'd think that with s/market footfall theirs is unlikely to get stale?Anyone on here work for a fuel co and want to comment? :confused:
Here's a good link for fuel woodsie just click on the symbols at bottom of page.:thumbs:

http://www.petrolprices.com/about-fuel.html
 

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Thanks Umbongo,interesting site but nothing much about 'cetane 'levels.Thought 'Diesel Driver' might throw up some useful info but all seemed a bit dated.Will have another look when I've more time.Seem to remember seeing a discussion about 'cetane',perhaps not on this site.Does look as if Fuel cos are constantly 'fiddling' with the mix/bio etc especially with petrol.Was a warning about taking older cars to France and filling up with 85(think this has 15% ethanol in it)apparently can cause damage to seals/hoses I think.2/3 years ago Tesco and I think Morrisons had problems(or those who filled up there did!!)after changing the mix/contamination of tanks.Will keep looking and report anything interesting I find about Diesel.Meanwhile I continue to use BP Ultra or Shell Vpower,regardless of the price. :bigcry:
 

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Discussion Starter · #8 ·
Drove about 120+ miles to airport/back on the motorway (gently). problem occurred once 2 miles from home on return journey. Quick reset and back to normal.

I've checked with a code reader and no error codes are found. The device is showing "EGR: Not ready" but I don't know what's normal for this code reader on that car, or whether status only goes ready once running.

So symptoms in summary remain
* toggling between 800-1000 rpm when cold for a couple minutes
* rpm cap of 2000 rpm (*and* very limited power, not JUST a cap) occasionally
* no rough running
* no black/blue smoke
* no noise

Only actions so far
* Injection / fuel additive

Next steps
* Switch to shell fuel
* ? Fuel filter worth replacing
* EGR valve check/clean?

My main question is why the ECU is clearly putting the car into limp-home yet not logging an error. Bad sw, or perhaps my reader can't read it (nor could the breakdown mechanic)
 

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Hi did this ever get sorted?
My mum was having the same problem till this morning when it decided it didn't want to start at all.
The problem only started after she had it serviced, she took it back and they told her it wasn't anything they have done!.... i was thinking diesel filter!
Any help would be greatly appreciated
cheers :thumbs:

Danny
 

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Discussion Starter · #10 ·
It's still happening occasionally - about once every few weeks. We've tried premium fuel but not convinced it made any difference.

I think the issue is still lurking, but not taken any further actions yet.

The fuel filter is relatively cheap so if it hasn't been done in a year I'd go for that anything, not a lot to loose -- when we had a fuel filter problem previously the car would have limited acceleration -- with the current problem it's a more rigid cut off -- the engine management seems to impose a rpm limit with the net result of nearly bringing the car to a halt.
 

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Yeah her's was doing it that offten too, she also had it pluged up and it found no falts!... altho the ECU is going in to limp mode! I did try some fuel additives but there was no change till this morning when it just wont start.
Just half way through changing the filter and just out of intrest i thought i would crank it over with the hose's off and im not getting any fuel coming up at all!, do the xtrails have a electric pump in the tank or are they just run off a disel pump off the belt? I dont really do much work with diesel engines!
Cheers

Danny
 

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I'm having this problem now, car goes in to limp mode after sittting at traffic lights on occasion and engine hunts on start up from cold. Only 38k on the clock and I've mostly run the car on Shell Extra usually with a shot of Millers Dieselclean additive.
Have the car booked in to a local independant garage later this week and will be taking a printout of this thread with me.
 

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Discussion Starter · #15 ·
Interesting.... when I checked with my "cheap" scanner, and also when an independent breakdown truck checked with theirs, both time no code was recorded.

Very frustrating since when the "cut-out" occurs I'm certain it's the ECU switching to limp home mode. Revs are limited, but the engine remains smooth, just as if something has chopped the accelerator cable.

I have to say if it is indeed limp-home it's very aggressive - certainly any mild hill won't even allow the rpm limit to be exceeded.

Yet a momentary off/on and all is back to normal.

I'm thinking sensor, but also SOFTWARE BUG -- if it goes limp-home without recording why THATS A BUG. My view anyway!

Previously when I had a bad filter the behaviour was different - it was spluttering on acceleration, and then got smoother when driven very carefully at limited rpm

Very interested to hear what you find out.... even if the problem differs.
 

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Our X Trail an 05 2.2 dci 53kmls is booked in for a suction control valve replacement next Tuesday at the local Nissan dealership, this was the diagnosis of a problem we had with hunting at idle when cold. Car had been in with the previous owner but no faults recorded as the engine was warm, we left it with dealers so they could analyse from cold. Cost is going to be £270 :eek:
As an aside we've had no issues at all until yesterday after sitting in traffic the car wouldn't rev past 2000rpm no warning lights came on, after turning off ignition and restarting there was no re occurrence.
Hoping that this suction control valve and ECU remap irons out these niggles as it's a fantastic car otherwise :thumbs:
 

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Discussion Starter · #17 ·
What did the independent dealer find?

I should add that our xtrail is also getting the cold "hunt" problem Revs hunt between 900 and 1000 -ish rpm every few seconds. After a few minutes things settle down. It's actually the first observation a breakdown mechanic made, although he couldn't find anything else wrong.
 

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My cars been to my independant garage where it subject to a diagnostic test where the fault code P0089 (fuel pressure regulator1) was returned, suggesting a suction valve replacement on the Denso fuel pump, however they were not 100% certain this would cure the problem, so I would have to take a gamble on that working. Unsure of the outcome I contacted my main dealer, after explaining the problem and the fault code from the independant, they mentioned a service bulletine from Nissan UK that all but confirmed the replacement suction valve set (part number NA6860AW42B) would cure the problem, reassured I asked the Nissan main dealer to complete the job (they were cheaper as well!!).
Unfortunatly, to my expense, it hasn't worked, made no difference at all. I now have the car back with same fault. The main dealer (Toomey Nissan) are not being very helpful, as the car was brought to them via an independant, their attitude is, we did as we were asked, it didn't work, tough luck!
Speaking to Nissan Customer Services today (01923 899334 in case you need it!), suggest they were at fault for not doing their own diagnostic test first, I think we were both taken in by the Nissan service bulletine!
I'm now left with a choice of retuning to the main dealer and fight it out with them or seek out diesel fuel injection specialist as the problem looks likely to be the pump itself, I suppose I could push for a goodwill payment from Nissan UK for part of the work if it turns out to be the pump, but that means Toomey's again!
 

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Discussion Starter · #19 ·
Sorry to hear the suction valve replacement didn't work... must admit it's tempting to just sell the car to a dealer (and sure would have to mention the issue) and never buy a nissan again -- that's my wife's feeling
but
* She likes the car otherwise
* I can't afford to swap cars right now
* These things do happen across brand/model [although for me personally my ford focus has been near idyllic in being rock solid over 10 years, unlike the nissan over 4..........]

You mentioned a trouble code. Was this one NOT detected by a handheld scanner (think rac or cheap clone), or wasn't that tried. In our cases these find no code, although maybe other kit would..

Our problem's now happened twice in a week, so I need to take some action.

Must admit I'm tempted to take a punt on the regular fuel filter since it's cheap (even done by dealer). If that we're into any other fuel suspect aspect I'd guess - fuel strainer, pump, that thing you had,injectors... and also I'm thinking electronic sensors could play a part.

What really DRIVES ME MAD, as a software engineer, is that the car is CLEARLY switching to LIMP HOME mode, yet I see no trouble code reported. That is surely a basic programming error/BUG
 

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This doesn't mean much to me but the print out from the diagnostic is headed AUTODIAGNOS.

I am begining to think like you, that this will be my only Nissan, seems to be too many big ticket issues under the bonnet!
 
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