Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
Who's going to crack 1st?
Just waiting for the 1st 'FBH not working' post in 2023. Anyone else as excited as me to see who drops it in 1st?
- Existing member or new account?
- England, Scotland, Wales, Ireland or Offshore?
- Will 1st helpful response be "Is your low fuel warning light on?"
- Guess the date for 1st post - I'm going 21st October
19th Sep 2023 8:43 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73079
Not from me for 2 reasons.
A) I don’t have a FBH.
B) It was about +34c today and won’t get down below +26c.
19th Sep 2023 9:21 am
Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
I'm currently looking at rain outside of my window which is travelling horizontally!
19th Sep 2023 9:27 am
BrumLee
Member Since: 07 Mar 2008
Location: West Midlands
Posts: 1364
You'll need a FBH in Wales beings you'll be driving at 20mph and not able to heat the coolant with the engine Faultmate MSV2 EXTREME
FOXWELL N624 Elite
Hantek 1008c Oscilloscope
20th Sep 2023 1:54 pm
Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
Haha - I don't think I've gone above 20mph across town for a couple of years to be honest so doesn't make much difference to me
20th Sep 2023 1:58 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10676
I think the first post will be
What is this smoke out of my front wheel arch
20th Sep 2023 4:35 pm
Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
Ooooh good guess Pete!
20th Sep 2023 5:49 pm
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8225
Highly likely one has already been made! -although I can't find one, 2023 started in Jan not September It can when others can't,
It will when others won't,
It goes where others don't.
21st Sep 2023 4:22 pm
Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
M3DPO pulled me up on a technicality!
21st Sep 2023 4:34 pm
bensla
Member Since: 02 May 2023
Location: Trowbridge
Posts: 141
This will be my first winter with the D3 - as far as I know the FBH is operational but I am kind of wondering what to be looking for and what to expect! Funny to see this post.
11th Oct 2023 2:07 pm
Bracechenko
Member Since: 29 Jun 2021
Location: Cardiff
Posts: 183
So if all works well then the FBH will operate once outside temp is <5 degrees assuming the low fuel warning light isn't on. You'll see smoke coming out of the nearside wheel arch as that's where the FBH exhaust is. Once working, it should help the car reach operating temperature more quickly and therefore run more efficiently.
With my D3, the FBH wasn't working when I bought it. No error messages or engine mgmt lights or anything to say it wasn't working. Just the fact that once temps got near freezing or below, the engine simply wouldn't get warm at all in city driving. In fact, I used to drive my daughter to nursery in stop/start traffic for about 15 mins each way and return home with the temp gauge hardly off stone cold. This of course meant that the cabin heater was useless so we were cold inside the car.
For me, I eventually wired a CAN BUS wire as described in the FBH Wiki pages on this forum and connected it to my laptop using the Webasto software to run some diagnostics. Essentially it was all caked up and wouldn't fire up. I just kept trying and eventually it went into full ignition with some crazy amounts of smoke bellowing out (sorry neighbours!!) and I just ran through a few ignition/burn cycles until it burnt clean. It now starts up 1st time when the car asks for it but no doubt this winter it might need another manual push or two as it's obviously layed dormant since the last cold snap.
One slight complication for me was that whilst I was running the initial diagnostics. I got the thing running a full cycle and then BANG....something popped and my suspension dropped. I completely shat myself and imagined the many thousands of pounds damage I'd caused. Turned out that my FBH exhaust had corroded and the exhaust gas was escaping right next to one of the suspension airlines. The airline melted which rapidly deflated the suspension. Thankfully, this was relatively easily fixed and suspect that it's not too common although another forum member has also experienced the same thing.
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