spliff
Member Since: 30 Jan 2013
Location: millington green
Posts: 20
  
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| D4 SDV6 engine "shudder" on cold start-up |
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This is my first post chaps so hope its in the right category.
Had the car for a couple of months now and its fantastic.
However, I noticed that when starting the car for the first time on a cold morning - typically minus 5 to 0 deg C,
the engine fires OK but for a couple of seconds the engine "shudders", a bit like a misfire, before it settles to idle speed. There are no warning lights and the car runs fine. If the engine is warm, there is no problem.
Booked car in at dealer, they could reproduce the problem, there were no fault codes so they fiddled with the power module I think they called it and suggested that I monitor the issue.
Car now goes like a rocket but problem remains. Called dealer again and was advised to take it back for more fiddling. They said that there had been a technical bulletin regarding this issue.
Anyone heard about this and any thoughts as to what it might be ?
Thanks
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 13th Feb 2013 9:18 pm |
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disco5
Member Since: 23 Dec 2012
Location: birmingham
Posts: 1088
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i shudder at -5 
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| 13th Feb 2013 9:20 pm |
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Chief Stoker
Member Since: 16 Aug 2012
Location: Aberdeenshire
Posts: 8
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Happens to mine, so be interested to know what they find. More interested to hear there is a technical builtin. Anyone know which one it is?
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| 15th Feb 2013 9:53 pm |
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outofyorkshire
Member Since: 27 Apr 2009
Location: Emigrated to Notts
Posts: 1021
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Mine does it too.. I assumed it was just a 'feature' of the start system.
Will also be interested to see what they say Cheers Ian
___________________________________________
MY13 FL2 HSE lux - just gone
MY10 D4 XS
MY07 D3 SE
Massey Ferguson 400 FIS AGTV - Arctic Cat by any other name...
Citroen C3 Picasso for SWMBO so we can remember what fuel economy is!!
Member of the Narpy torch club
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| 15th Feb 2013 10:53 pm |
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linxray
Member Since: 21 Nov 2011
Location: Lincolnshire
Posts: 10
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pretty sure it's the fbh (fuel burning heater) kicking in on startup
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| 15th Feb 2013 11:17 pm |
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Russell
Member Since: 24 Aug 2007
Location: Kent
Posts: 10564
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Mine does it too MY17 D5 1st Edition Namib Orange
MY15 D4 HSE Kaikoura Stone
MY12 D4 HSE Nara Bronze Sold and gone
MY11 D4 HSE Stornaway Grey Sold and gone
D3 S spec Silver Sold and gone
Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
D4 camera club
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| 15th Feb 2013 11:18 pm |
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DG
Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50934
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linxray wrote:pretty sure it's the fbh (fuel burning heater) kicking in on startup
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
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| 15th Feb 2013 11:23 pm |
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stenh02
Member Since: 01 Jul 2009
Location: Up North
Posts: 270
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Mines the same. Didn't think it was a fault but will stand corrected if the dealer 'fixes' it.
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| 16th Feb 2013 8:23 pm |
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Duffs
Member Since: 31 Mar 2009
Location: Newcastle Upon Tyne.
Posts: 196
 
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Both mine have done this. D4 3.0 SDV6 GS 13
D4 3.0 SDV6 GS 09-13
D3 2.7 TDV6 GS 07-09
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| 16th Feb 2013 9:20 pm |
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GoatOfMendez
Member Since: 02 May 2009
Location: cheltenham
Posts: 92
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mine does it too. Is it possibly because the D4 starts with the start button rather than key and the electronics are warming the glow plugs for the smallest possible amount of time rather than several seconds like you would with a key on a D3?
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| 17th Feb 2013 1:14 am |
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D4mation
Member Since: 29 Jul 2011
Location: Ruralshire
Posts: 593
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Mine does this when it's really cold and I did wonder about the lack of time firing the glow plugs. MY12 D4 HSE Ipanema Sand
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| 17th Feb 2013 2:19 am |
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dangerdave
Member Since: 23 Nov 2010
Location: <>
Posts: 4495
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Admin note: post content removed at user request
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| 17th Feb 2013 8:44 am |
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PSC
Member Since: 01 May 2006
Location: Johannesburg
Posts: 255
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If you press the start button without the brake pressed, wait 8 seconds and then press the brake and the start button is the stumble as bad (trying to check if one can emulate the behaviour pre start button) ?
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| 17th Feb 2013 9:11 am |
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spliff
Member Since: 30 Jan 2013
Location: millington green
Posts: 20
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Thanks everyone for your input.
At least I'm not on my own with this issue.
Even though the temperature has gone up a bit in this part of the world, the "shudder" is still there first thing in the morning.
Glow plug theory is a possibility, in fairness though the glow plug lamp is on for several seconds before the starter motor turns.
PSC - will try your tip re: start procedure tomorrow.
linxray - am sure its not FBH cutting in - I have "poverty spec" GS !! 
Anyway, taking it to dealers on Wednesday - will report back on the outcome.
Cheers
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| 17th Feb 2013 2:46 pm |
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WOODY179
Member Since: 01 Jun 2005
Location: Chesterfield
Posts: 3637
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My D4 does the same, if it's really cold it seams to tremble for a couple of seconds. Every time its been below -2, my 2nd service is due end of march so will mention it to the dealer.
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| 17th Feb 2013 4:56 pm |
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