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Fuel burning heater fault code !!
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barrowd3
 


Member Since: 10 Dec 2014
Location: leeds yorkshire
Posts: 31

United Kingdom 2006 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3
Fuel burning heater fault code !!

I plugged in to my fbh to day could not get it to start it kept coming up with this fault code flame was detected prior to combustion code is 05h any help is very much appreciated does any one know if I need a new unit now many thanks  
Post #138913013th Dec 2014 7:22 pm
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

There is a workshop manual in my gallery:

http://www.disco3.co.uk/gallery/albums/use...op_V~0.pdf

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Post #138914313th Dec 2014 7:35 pm
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barrowd3
 


Member Since: 10 Dec 2014
Location: leeds yorkshire
Posts: 31

United Kingdom 2006 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

hi Robbie thanks for the reply but do you know what it is ?  
Post #138914813th Dec 2014 7:41 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18573

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

You're going to need to research this yourself I'm afraid, now that you have got the diagnostic working.

Also please don't post the same question multiple times all over the site Smile 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!  
Post #138916513th Dec 2014 8:22 pm
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Sydney
 


Member Since: 11 Aug 2013
Location: St Neots
Posts: 903

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Zermatt SilverDiscovery 3

Just a guess but the solenoid valve stuck open allowing fuel in before its required and the glow plug is igniting it before it gets to temperature?

Could only be a matter of a second or so between switching but that would cause pre-combustion.

Or possibly the cooling cycle not completing after previous use or combustion fan not running properly and leftover fuel is igniting before the FBH wants?

I could be talking complete crap though which is very likely. De-Tango
V8 Brakes
EGRs blanked
Running boards
3 flash indicators and clock on dash
Blingy grille...  
Post #138921513th Dec 2014 9:35 pm
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barrowd3
 


Member Since: 10 Dec 2014
Location: leeds yorkshire
Posts: 31

United Kingdom 2006 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

Thanks for the reply mate and I think I am going to tackle it to or row and take it apart and see if every thing that moves is free and see if there is any carbon build up etc but I think you have something there Sydney  
Post #138921613th Dec 2014 9:37 pm
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Sydney
 


Member Since: 11 Aug 2013
Location: St Neots
Posts: 903

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Zermatt SilverDiscovery 3

What may work is blowing down the inlet pipe as it goes through its pre-start cycle, unless you have a good set of lungs or an airline could use a hairdryer on the lowest setting to pump air through. Doesn't need to be high pressure, just enough to clear any fuel lying around in there. This may be enough to give it a kick. De-Tango
V8 Brakes
EGRs blanked
Running boards
3 flash indicators and clock on dash
Blingy grille...  
Post #138922313th Dec 2014 9:47 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

On the trucks the common fault is carbon build around the glow plug screen and the little air vent hole, a new plug and screen plus clean small air vent hole fixes most things, every now and then its fan motor time.
Sadly removing the screen destroys it.
These are eberspacher machines, some of the boat forums have loads of info on all makes of diesel powered heater, stoves, air and water types.  
Post #138922413th Dec 2014 9:48 pm
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barrowd3
 


Member Since: 10 Dec 2014
Location: leeds yorkshire
Posts: 31

United Kingdom 2006 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

Humm be worth a try might be a bit off gunk just stopping it I got the car mid summer so don't know how long it has not worked for 8) when I primed the fuel pump 2 times and tested the glow plug on the webasto software and then I tried to start it I did get a small puff off smoke and then usual cuts out Sad  
Post #138922613th Dec 2014 9:51 pm
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Sydney
 


Member Since: 11 Aug 2013
Location: St Neots
Posts: 903

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Zermatt SilverDiscovery 3

Sounds like stripping time, but not the nice kind... Wink De-Tango
V8 Brakes
EGRs blanked
Running boards
3 flash indicators and clock on dash
Blingy grille...  
Post #138925813th Dec 2014 10:44 pm
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