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Geoffandhisxtrail Profile
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Date Registered: 05-2012
TOTAL POSTS: 3
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Re: Flaring at idle


Hi All
I know this is an old post now but I was wondering if anyone had any further info/conclusion to this issue.
I am now experiencing a very similar problem.
I was thinking about resetting the ECU but am worried that if there is a high idle error that is not caused by the ECU, then when i reset the ECU it will learn the high idle as the natural idle speed and so perpetuate the problem.
Anyones thoughts or knowledge as to the flaring idle issue would be much appreciated.
15/May/2012, 10:21 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re:


Hi Geoff,

Re-setting the ECU and doing the idle re-learn will always bring the idle back to its standard factory setting and values, so there is no harm in performing this procedure at all.

If this fails, you will need to look at replacing the TPS (Throttle Position Sensor) as it may not be holding the throttle in the correct setting anymore.

Most of the T30 x-trail models now require the replacement of the 3 major sensors due to age (CAM, Crank and TPS).

---

15/May/2012, 10:34 am Link to this post Send Private Message MSN Blog
 
Geoffandhisxtrail Profile
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Date Registered: 05-2012
TOTAL POSTS: 3
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Re: FLARING AT IDLE 1700-2500 RPM.


Thanks Jalal!
Performing the idle reset seems to have taken care of the flaring idle issue!
However, I suspect that the idle whilst no longer flaring, is still high as it is around 900-1000 rpm.
I will now try resetting the ECU and if that doesn't bring the idle closer to 800 then I would guess that I need to replace the TPS. (my crank shaft position sender went last year at 110,000kms and I replaced the camshaft sensor at the same time just for laughs)
24/May/2012, 9:19 am Link to this post Send Email PM   Send Private Message Blog
 
5qu33ky Profile
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Date Registered: 03-2013
Location: Toowoomba, Queensland
TOTAL POSTS: 6
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Re: Re:


quote:

EXXXY wrote:
Nissan dealer out west in sydney wants $110 for a full diagnosis. This can't be right and i refused.
Anyone got any suggestions?




the nearest nissan delaer to me wants $175 for a diagnosis, they refuses to do anything with the car unless they do the diagnosis first, they even told me outright that the idle relearn will not work.

---
Aaron X-2989
05 T30 ST Xtrail
Hiclone, K&N replacement filter.
15/Aug/2013, 5:40 pm Link to this post Send Email PM   Send Private Message Blog
 
frozenpod Profile
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Date Registered: 08-2013
TOTAL POSTS: 33
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Re:


I have seen this issue in a few vehicles but non of these were x trails. Everyone was caused by a failed ECU.

Diagnostics provided no information of value with failed ECU with the other vehicles and I suspect the x trail will be the same.

But I diagnostics is worth a shot as there could be an issue with an engine sensor ie TPS and diagnostics should pick this up.

Last edited by frozenpod, 16/Aug/2013, 12:01 am
15/Aug/2013, 11:55 pm Link to this post Send Email PM   Send Private Message Blog
 
glen verrall Profile
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Date Registered: 06-2014
TOTAL POSTS: 3
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Re: idle flaring


Hi have the same problems with idle flaring from 1700-2500 and would like to know the outcome to the problem. I have replaced appsensor, throttle body. Cant relearn idle even with the proper diagnostic tool. An experienced auto elect has checked out every thing he can think of, spent 1.5 hrs on it but no change. Hope someone can help.
14/Jun/2014, 5:57 pm Link to this post Send Email PM   Send Private Message Blog
 
skidro Profile
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Date Registered: 05-2012
TOTAL POSTS: 13
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Re:


Hey a few weeks ago I was cleaning my throttle body with a cleaner and rag when I must have messed up the spring in the tb, it was fluctuating between 1500 to 3000 depending on the operating temp.
I fixed this problem yesterday finally by replacing the throttle body module and doing the 'pedal dance' to reset my idle, now the suv idles very nicely around 950
I found the replacement tb for $85 from a local junker, it was from an altima but it had the same serial # as the xtrail tb.



---
05 X trail - 5 speed
28/Aug/2014, 3:52 am Link to this post Send Email PM   Send Private Message Blog
 
juggernautadsy87 Profile
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Date Registered: 09-2014
TOTAL POSTS: 9
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Re: FLARING AT IDLE 1700-2500 RPM.


Hi all
not sure if it is the same or not..
A couple days ago I went up the beach and noticed on the way back the idle was pretty rough and sounded a bit low
and seemed to vibrate the car a tiny bit more then its used to.. any way got home pulled air filter out and all good
then while it was running stupidly pulled I think its the maf/air flow sensor off the motor rpm droped nearly stalling
then increased to probably about 4k rpm so I quickly plugged it back in... then it had an engine light and was in limp mode
so I reset the ecu with the fuse method.. and took it out of limp mode buy had engine light on.
plugged in obdII bluetooth device checked codes it was air flow sensor and air flow temp which I guessed is what I disconected.
so I cleared them.. now if I rev it itll sometimes sit at 2krpm and some time not.. or if its at 2k and I put load on it for a secon then take it off it drops back down to the rough idle which the obd says is 800rpm.. I did the pedal dance thing im pretty sure it was correctly as the dash lights did what theyre meant to but still its doing its sticky 2k rpm thing.. its like having a sticky mechanical throttle that you have to
force back.. a little confusing..

also how do I get a pic under my name on the left hand side?

---
Adam
03 Ti manual
mem no: x- 3869
Bribie island
Queensland
12/Sep/2014, 10:12 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re:


Hi Adam,

If the manual process for the idle re-learn didn't work, you will need to take your car to a Nissan dealership or a mechanic that has Consult II to perform the idle re-learn electronically.

As for posting a photo under your username (called Avatar), you can do this by hosting a photo in PhotoBucket and copying a link of that photo in the Avatar field in your own control panel. Check THIS Guide on how to host and post photos on the forum.

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12/Sep/2014, 10:25 am Link to this post Send Private Message MSN Blog
 
juggernautadsy87 Profile
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Date Registered: 09-2014
TOTAL POSTS: 9
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Re: FLARING AT IDLE 1700-2500 RPM.


Hi Jalal
thanks for the info.. im finding this whole forum very interesting and informative!

---
Adam
03 Ti manual
mem no: x- 3869
Bribie island
Queensland
12/Sep/2014, 10:44 am Link to this post Send Email PM   Send Private Message Blog
 


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