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DISCO4.COM > Webasto Fuel Burning Heater

FBH starts even when warm outside
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dziesio
 


Member Since: 03 Jul 2019
Location: Warszaw
Posts: 5

Poland 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4
FBH starts even when warm outside

Hello,
Recently I have fitted a winch to MY16 disco 4 and after that operation everything works fine except FBH starts running when the engine is warm and the temperature outside is well over 10C. I can also smell the fumes in the cabin :/

The car battery was disconnected when I was fitting the winch.
Do You have maybe any hints what to check?  
Post #20973973rd Nov 2019 7:28 pm
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1081

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

You could start by having a read through here?

https://www.disco3.co.uk/wiki/Fuel_Burning_Heater

Good luck Thumbs Up "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile  
Post #20974514th Nov 2019 7:18 am
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dziesio
 


Member Since: 03 Jul 2019
Location: Warszaw
Posts: 5

Poland 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

I already did. I just thought maybe somebody was going through that and has a quick hint before getting diagnostics tool and starting to look for a fault.  
Post #20974644th Nov 2019 9:21 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8247

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Exhaust fumes inside the car is a high danger issue due to carbon monoxide poisoning, at the very least keep a window open until you have sorted it. Thumbs Up
Check coolant and oil temperature sender wires have not come off or loose.
I can’t see how fitting a winch can cause fumes from the fbh to enter the cabin, are you sure they are coming from the fbh and not the exhaust?- cross over pipe maybe!
Have a read of this to see how the coolant temp sender can effect starting, one can only guess what a poor connection or broken wire can do, i.e. make the ecu think it is below 5c when it is 20c.
https://www.disco4.com/forum/disco-3-not-s...d+starting It can when others can't,
It will when others won't,
It goes where others don't.  
Post #20974704th Nov 2019 10:35 am
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