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v8bobber



Member Since: 26 Aug 2012
Location: pembrokeshire
Posts: 395

United Kingdom 2008 Defender 110 Puma 2.4 DCPU Java Black
Disco 300tdi auto is it fly by wire or not?....

Hi all,
I’ve bought a 300tdi auto (well it was free) so I can use the engine and gearbox in another machine. I’ve read that some are fly by wire. How can you tell? This is a picture I took of the tip of the pump



Click image to enlarge

Post #755720 2nd Feb 2019 6:43pm
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donmacn



Member Since: 07 Nov 2017
Location: Nth Scotland
Posts: 724

well, that all looks pretty mechanical to me, but on the other hand, it doesn't look much like my 300tdi. Too dark and cold to take a pic just now, but i can do it tomorrow if no-one else has chipped in.

What I'm not seeing is the vacuum advance for the fuel pin/diaphragm.

If you were to look at one of the online parts diagrams, that should help you pin it down? Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 220k miles and going strong

The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

Post #755738 2nd Feb 2019 7:38pm
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v8bobber



Member Since: 26 Aug 2012
Location: pembrokeshire
Posts: 395

United Kingdom 2008 Defender 110 Puma 2.4 DCPU Java Black

This was the other side and looked a lot more complicated than normal....

Click image to enlarge

Post #755739 2nd Feb 2019 7:45pm
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donmacn



Member Since: 07 Nov 2017
Location: Nth Scotland
Posts: 724

Yup! None of that gubbins in my Defender. Presume thats the EGR and air filter stuff? Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 220k miles and going strong

The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

Post #755747 2nd Feb 2019 8:14pm
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donmacn



Member Since: 07 Nov 2017
Location: Nth Scotland
Posts: 724

Just found this online - referred to as a 300tdi auto electronic pump, so that does look more like what you have?

Click image to enlarge
 Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 220k miles and going strong

The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

Post #755748 2nd Feb 2019 8:18pm
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v8bobber



Member Since: 26 Aug 2012
Location: pembrokeshire
Posts: 395

United Kingdom 2008 Defender 110 Puma 2.4 DCPU Java Black

My own fault that I didn’t have a proper look at it. I remember reading that there was no mechanical linkage to the pedal but there clearly is on this one. I’m wondering now if they’ve put one in for the egr system.

Making an EDC system work in a comp safari racer doesn’t seem like my idea of fun at all!

Post #755766 2nd Feb 2019 9:09pm
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donmacn



Member Since: 07 Nov 2017
Location: Nth Scotland
Posts: 724

Sorry - I know nothing about EGR stuff - my car was one of the very first Defnder 300s and didn't have one.

With a forum name like V8bobber I'm guessing you don't have another mechanical fuel pump to swap over?

Shame you're so far away, I'd offer to take it off your hands! My garage man is suggesting it would be a good idea to get a 'spare' 300tdi and keep it in the corner of garage... Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 220k miles and going strong

The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

Post #755771 2nd Feb 2019 9:29pm
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LiftedDisco



Member Since: 17 Aug 2014
Location: Towcester
Posts: 225

As above, the Auto can come with the electronic fuel pump which is the element that is generally regarded as ‘fly by wire’ but the throttle etc is all mechanical

Hope this helps...

Post #755775 2nd Feb 2019 9:46pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 6645

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey

The EDC on the 300tdi allowed LR to tune it slightly, so they're quite spritely compared to the manual. Darren

2013 Defender 110 USW XS
2013 Discovery 4 XS

"You came in that thing? You're braver than I thought!" - Princess Leia

MY 110 USW BUILD THREAD - MY 200tdi 90 BUILD THREAD

Instagram: @landroveranorak

Post #755776 2nd Feb 2019 9:52pm
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donmacn



Member Since: 07 Nov 2017
Location: Nth Scotland
Posts: 724

...which is a 'good thing' ... as it just underlines that the engine basics will take the extra tuning/tweaking. Hopefully to a sensible degree, this is where I'll be going in the next 3 or 5 months. Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 220k miles and going strong

The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

Post #755821 3rd Feb 2019 12:30am
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RoddyK05



Member Since: 08 Apr 2015
Location: Inverclyde
Posts: 533

Scotland 2004 Defender 90 Td5 SW Yellow

My 300 auto was ‘fly by wire’. The accelerator wasn’t mechanical, it was a potentiometer that would cost a fortune if it went wrong. Mines did start acting up, but thankfully I traced it to a dirty multi-connector in the engine bay, a good clean out with wd40 had it behaving itself again. Wasn’t a bad car, but very thirsty.

Post #755823 3rd Feb 2019 12:36am
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Mountain_man
Site Supporter


Member Since: 09 Dec 2011
Location: Right side of Offas Dyke
Posts: 668

Wales 

Possibly cruise control, and a mechanical pump. Mind you the later 300 mechanical pumps had some electronic gubbins associated with the EGR which makes them more difficult to tweak. But that is not a fly by wire set up in the proper sense of the word.

Post #755885 3rd Feb 2019 12:12pm
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