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Rough idle on tick over
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Dazzer34
 


Member Since: 02 Dec 2020
Location: Southampton
Posts: 82

United Kingdom 2011 Discovery 4 3.0 SDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4
Rough idle on tick over

Hi i have 2011 LR D4 3.0 V6
When I start the car when cold the idle or tick over the engine sounds really rough and if I leave it for a few minutes the engine changes tone and then runs fine I assume when it’s warmed up
Been to several garages and no one can seem to diagnose the problem

So thought I try on here if anyone else has had this problem  
Post #227857112th Feb 2022 10:14 pm
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Nilgroe
 


Member Since: 27 Nov 2020
Location: Hessen
Posts: 7

Germany 2011 Discovery 4 3.0 TDV6 SE Auto Sumatra BlackDiscovery 4

Check the amp draw of the glowplugs it should bei around 30 (not sure on that) per bank. I figured i start the fbh to heat the engine up a bit and it starts just fine with smooth idle.  
Post #227861813th Feb 2022 11:27 am
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Dazzer34
 


Member Since: 02 Dec 2020
Location: Southampton
Posts: 82

United Kingdom 2011 Discovery 4 3.0 SDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4

How do you start the FBH as I thought it comes on when you start the engine  
Post #227861913th Feb 2022 11:33 am
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Nilgroe
 


Member Since: 27 Nov 2020
Location: Hessen
Posts: 7

Germany 2011 Discovery 4 3.0 TDV6 SE Auto Sumatra BlackDiscovery 4

If you don’t have timed climate control you should get an iid tool or get a dealer to unlock it for you. Get a GSM activated Modul so you can start the fbh with your phone. There are many threads about this in here  
Post #227862213th Feb 2022 11:40 am
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Dazzer34
 


Member Since: 02 Dec 2020
Location: Southampton
Posts: 82

United Kingdom 2011 Discovery 4 3.0 SDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4

Ok i have an IID tool just need to look up how i set this up then  
Post #227862513th Feb 2022 11:42 am
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Dazzer34
 


Member Since: 02 Dec 2020
Location: Southampton
Posts: 82

United Kingdom 2011 Discovery 4 3.0 SDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4

Just to point out i have a GS model d4 so a basic car no touch screen for this to work on iphone do i need some other kit



Nilgroe wrote:
If you don’t have timed climate control you should get an iid tool or get a dealer to unlock it for you. Get a GSM activated Modul so you can start the fbh with your phone. There are many threads about this in here
  
Post #227862813th Feb 2022 11:56 am
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Dazzer34
 


Member Since: 02 Dec 2020
Location: Southampton
Posts: 82

United Kingdom 2011 Discovery 4 3.0 SDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4

Just an update to this problem / issue

If I drive the car immediately after starting the engine I get this issue of it running rough till the engine has warmed up I suppose but no matter how long I dive for 5 minutes or 45 minutes the minute I stop tbe engine and start it again after a few minutes I get the rough idle again

What I tend to do it start the car sit there for a few minutes let it warm up and then drive as it be fine

Please note I get no warning lights or codes for this  
Post #228013021st Feb 2022 6:50 pm
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Nilgroe
 


Member Since: 27 Nov 2020
Location: Hessen
Posts: 7

Germany 2011 Discovery 4 3.0 TDV6 SE Auto Sumatra BlackDiscovery 4

hmm okay, that does not sound like a glowplug issue. maybe check the injectors ? I can´t think of anything else really...  
Post #22820075th Mar 2022 12:21 pm
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Dazzer34
 


Member Since: 02 Dec 2020
Location: Southampton
Posts: 82

United Kingdom 2011 Discovery 4 3.0 SDV6 Base 7 Seat Auto Alaska WhiteDiscovery 4

Yeah I’m thinking more injectors so will get them checked  
Post #22820085th Mar 2022 12:28 pm
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