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Lumpy Idle and Smokey Exhaust on cold start
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Ade
 


Member Since: 26 Nov 2008
Location: West Lothian
Posts: 950

United Kingdom 2005 Discovery 3 TDV6 HSE Manual Alaska WhiteDiscovery 3
Lumpy Idle and Smokey Exhaust on cold start

The D3 has been parked on the drive for the past 3 days not used

Came to start it this morning as normal, but the engine was extremely lumpy with revs fluctuating up and down say 200rpm around normal idle. I looked in the wing mirror and also noticed blue smoke from the exhausts. The idle was that lumpy it could be felt through the whole car rocking

I got a "bong" but no error message on the dash

Pulled off and car was sluggish for a while and still had a lumpy idle when stopping at a junction. Once the car had warmed up, it seemed back to normal

I got home and connected my faultmate. It's logged error codes P02A6 and P029F. Both seem to relate to injectors

Anyone had similar or know what could be wrong?

Thanks

Ade  
Post #8453789th Oct 2011 10:11 pm
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Trackman
 


Member Since: 16 Apr 2010
Location: Glasgow
Posts: 430

Scotland 

May not be anything to do with this but have you checked that all your glow plugs are working?

Ian.  
Post #84680212th Oct 2011 9:26 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6294

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Check your spill off pipes have not come loose or split, then drain the fuel filter and see if any water in there. can't see it being an injector goosed as it would still run lumpy.

Flack Thumbs Up  
Post #84682712th Oct 2011 10:27 pm
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Tawny Owl
 


Member Since: 22 Oct 2008
Location: Here and there
Posts: 1645

England 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Thinking possible glow plug fault too , mine did this last year and only 3 out of 6 were working.  
Post #84694013th Oct 2011 10:29 am
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Ade
 


Member Since: 26 Nov 2008
Location: West Lothian
Posts: 950

United Kingdom 2005 Discovery 3 TDV6 HSE Manual Alaska WhiteDiscovery 3

Its going in on Tuesday to have the front diff replaced, so they are going to keep it for a few days to run tests on the fueling/cold starts  
Post #84699413th Oct 2011 12:27 pm
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CFB
 


Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100

United Kingdom 

I've seen a few posts recently about winter grade diesel causing rough running and lumpy idle, possible?? 2020 BMW X1 18d XDrive X-Line Auto  
Post #84699713th Oct 2011 12:33 pm
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J@mes
 


Member Since: 10 Nov 2008
Location: Bomber County
Posts: 4547

England 2014 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4

I've got 3 glow plugs down and mine does exactly this when cold. Still got to sort them, but will be using the timed fbh in the morning until it's sorted! 2014 D4 XS
2005 D3 SE - Gone  
Post #84700113th Oct 2011 12:38 pm
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