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Markez79



Member Since: 27 Jun 2018
Location: South West
Posts: 201
Yet another issue.......
This time the engine cuts out when I'm driving......not great when I'm on a roundabout as happened at the weekend Shocked Wife wasn't very amused.....said something rude about the reliability of my pride and joy!

I have had the EGR 'blocked' at the same time I got the BAS remap done at the start of the year and she has just had a service so I'm assuming that something major would have been picked up when running diagnostics?

The symptoms:

Driving along.....revs drop.....I can rev the engine but just coasting with no 'drive'....and then just dies.

Any thoughts??

Thanks

Mark
Post #806438 16th Dec 2019 11:07am
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andydef90



Member Since: 09 Feb 2015
Location: yorkshire
Posts: 617
United Kingdom 2014 Defender 90 Puma 2.2 HT Corris Grey
is it warm or cold ? maf sensor worth a look give it a clean if since service it may be something to do with that
Post #806445 16th Dec 2019 11:54am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17598
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Volume control valve.
Post #806463 16th Dec 2019 1:46pm
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Markez79



Member Since: 27 Jun 2018
Location: South West
Posts: 201
andydef90 wrote:
is it warm or cold ? maf sensor worth a look give it a clean if since service it may be something to do with that


Happens when car is cold and warm..... Rolling Eyes
Post #806469 16th Dec 2019 3:40pm
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williamthedog



Member Since: 29 Dec 2012
Location: south wales
Posts: 3441
2011 Defender 90 Puma 2.4 PU Tamar Blue
As Blackwolf has already said, vcv valve seems the likely suspect.
Post #806473 16th Dec 2019 3:51pm
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Markez79



Member Since: 27 Jun 2018
Location: South West
Posts: 201
Many thanks as ever guys.

Expensive to replace?

Mark
Post #806571 17th Dec 2019 8:57am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
have look below


https://bellautoservices.co.uk/bas2rrc-hel...4tdci/vcv/


part no LR009837

https://bellautoservices.co.uk/store/defen...our-valve/




Click image to enlarge

Last edited by dorsetsmith on 17th Dec 2019 12:42pm. Edited 2 times in total
Post #806572 17th Dec 2019 9:03am
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Markez79



Member Since: 27 Jun 2018
Location: South West
Posts: 201
Many thanks
Post #806600 17th Dec 2019 11:29am
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kmac



Member Since: 07 Oct 2009
Location: Middlesex
Posts: 1309
United Kingdom 2009 Defender 110 Puma 2.4 USW Santorini Black
Markez79 wrote:
Many thanks as ever guys.

Expensive to replace?

Mark


You can get Denso branded for about £60 and unbranded for about £30
You can change yourself - only issue is awkward to access the bolts - there is full thread on here with pics on how to do it and the tool - ratchet wrench with extensions/universal joint
Post #806607 17th Dec 2019 12:29pm
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Def Junkie



Member Since: 30 Dec 2013
Location: Somewhere in Paradise
Posts: 79
Re: Yet another issue.......
Markez79 wrote:
This time the engine cuts out when I'm driving......not great when I'm on a roundabout as happened at the weekend Shocked Wife wasn't very amused.....said something rude about the reliability of my pride and joy!

I have had the EGR 'blocked' at the same time I got the BAS remap done at the start of the year and she has just had a service so I'm assuming that something major would have been picked up when running diagnostics?

The symptoms:

Driving along.....revs drop.....I can rev the engine but just coasting with no 'drive'....and then just dies.

Any thoughts??

Thanks

Mark


Hi Mark, was wondering if you've managed to fix the issue described here? I am struggling with the exact same issue.

Tim
Post #807635 26th Dec 2019 12:10pm
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BenB8man



Member Since: 22 Mar 2017
Location: Norfolk
Posts: 431
United Kingdom 2010 Defender 110 Puma 2.4 DCPU Stornoway Grey
blackwolf wrote:
Volume control valve.


You need to have this response as an autoreply really. Whistle
Post #807636 26th Dec 2019 12:17pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17598
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I do!
Post #807689 26th Dec 2019 6:30pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20612
United Kingdom 
That’s usually because most of the time Blackwolf is right. Very Happy Chillin In The Backwoods🇬🇧🇺🇸
⛽️🛢️⚙️🧰💪
Post #807690 26th Dec 2019 6:48pm
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Def Junkie



Member Since: 30 Dec 2013
Location: Somewhere in Paradise
Posts: 79
BenB8man wrote:
blackwolf wrote:
Volume control valve.


You need to have this response as an autoreply really. Whistle



So I've had the VCV replaced (Denzo) but the problem persists. Big Cry

It suddenly loses power (when accelerating hard), does not respond to the accelerator, coasts along and then dies.

Any help much appreciated Bow down
Post #809306 8th Jan 2020 6:24am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2660
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
Hmmm, could be a dirty fuel pickup in the tank?

Time to drop the tank and inspect it - there could be crud around the fuel pickup, and when you put foot, the increased fuel flow is compromised by the blockage. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #809309 8th Jan 2020 7:22am
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