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thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

2011 Defender 110 Puma 2.4 DCPU Cairns Blue

Puma stalls after starting - despite searching no solution

Common problem I believe, but i can't find the fault sadly.

After selling my 90xs puma a few years back I was very excited to be the new (to me) owner of a 2011 DCPU. Bought at an auction; the car was part exchanged by the prior owner. Car drove home and various other places over two days with no issues. Half a tank of diesel in the problem started (still quarter of a tank left). First occurrence I was driving and went to pull away and it stalled, then I had problems restarting. The stalling has not reoccurred since once up and running. It is just when starting that it stalls immediately. I have been in touch with the previous owner and he says it is a new problem, for what it’s worth.

Engine starts (2.4 2011 Puma) and appears to stall, or runs absolutely fine some times. Generally it will run if I press the unlock key just before I start it – which to me suggested an immobiliser issue rather than fuelling issue, but I may be wrong.

I have searched the forum and found loads of great ideas but i haven't managed to get it to work.

So far:

Filled the car up with diesel in case gauge was faulty and it was low on fuel. Gauge was fine based on the amount fuel to full.
Replaced the fuel filter, nothing suspect came out of it. Car has been driven on several occasions since with no issues, so filter is correctly installed I believe.

Changed key fob battery and resynced it. fob works fine.
Charged car battery, voltage shows as fully charged.
Checked battery terminals, negative was up the post a bit, but nothing serious found. All now correctly positioned and tight.
Checked earth on outrigger, and ran a jump lead from the negative terminal to the engine block to make sure
Checked all the fuses and relays are tight

I have gone through Martin’s very detailed checklist:

Starter feed diagnosis:
- Car starts on the key, then dies, with a cable on the starter relay (brown/white and brown/red

Enable/Trigger Diagnosis:
- Ground wire to Black/orange. Starts on key, and dies
- Can manually run the starter as well. This starts then engine, and then it dies

Instrument pack.
- Removed instrument pack plug. Joined fine 3 and 4. Started and died.
- Can’t see any issues with the connector on the IP

I have checked all the terminals are clean and tight on the ignition switch

I have reconnected the 10as switch. All dry and looks ok.

Unfortunately I don’t have diagnostics yet. – Anyone else want to join the nanocom group buy?

Any other ideas to try, or is it time to take it to a professional?

Thank you to everyone on the forum for all the great information.

24th Jul 2020 2:05pm

thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

Is there some chance that it could be the VCV? Would that explain the stalling after starting and the intermittent nature?

Sorry if on the wrong track, running out of things that i can try.

24th Jul 2020 5:53pm

spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4473

Check with the original owner that you have the original key. I had a second key supplied by Land Rover (I should have received two but only received one). They sent it to a maindealer who programmed it to my 110. This spare key will give me occasional non start issues. I would say it is a communication problem between your key fob and the Land Rover. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

24th Jul 2020 6:09pm

thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

Thank you. I am the third owner, so it would be hard to confirm if the keys are original. I will keep a note of which set of the two keys i am using though to see if it is one key or the other that is an issue.

24th Jul 2020 9:08pm

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3184

2012 Defender 90 Puma 2.2 CSW Santorini Black

Not sure if this helps, on 2.2 not 2.4, but I had a very similar issue. Mine was mostly firing and then dies right away.

I asked for help here: https://www.defender2.net/forum/topic73565.html

I followed all recommendations, but I really have no idea what solved it..... seems like resetting the DTCs solved my issue however. I have not driven it much, just a test drive after it came back to life, and a couple of times just to take it out of the garage and back in.

Hope you can sort it out soon. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

24th Jul 2020 10:19pm

thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

Thanks Dinnu. I read through this post previously. After disconnecting the wiring to the 10AS i had problems with the immobiliser locking on, but the technique in this peice for resetting with disconnecting the battery quickly solved that luckily. There is a lot of knowledge on this forum.

25th Jul 2020 5:36am

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3184

Hi Thr,

One thing that a friend suggested to me when I had the problem is to clean/replace the MAF sensor. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

25th Jul 2020 6:40am

thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

Thank you. I will give that a clean as well.

Tom

27th Jul 2020 12:48pm

thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

Yesterday i did 6 journeys, and it started first time every time. Tonight, wouldn't run. It would start, sort of half respond to some revs when i was trying to keep it alive, then die after a few seconds.

I cleaned the MAF sensor. Sadly it didm't work. I disconnected the battery to reset everything. It didn't work. In the end the battery died from all my attempts so that was that. Luckily i was at home not somewhere else. Car back on charge now and none the wiser as to what the cause is.

27th Jul 2020 10:07pm

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3184

Not good to hear. What I learned from my case is that you really need to read the diagnostic trouble codes. I used a cheap wifi ELM327, and OEBD facile app on my phone. You need to get paid version of the app to allow you clear DTCs, else only view. But it is really cheap.

With 2.4 I understand you can use Forscan on a laptop, will detect as a Transit, downloadable for free. But you still need interface cable. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

28th Jul 2020 7:06am

thr

Member Since: 17 Sep 2008
Location: Warwickshire
Posts: 33

Codes would be a great help. I am on the groupbuy for a nanocom very kindly organised by DieselDriver, so i should have it soon hopefully. If i am lucky it will tell me what is wrong, however i am quickly learning with this car that nothing is a simple as you think it is going to be.

28th Jul 2020 7:39am

bear100

Member Since: 22 Mar 2010
Location: South Wales
Posts: 1867

2010 Defender 110 Puma 2.4 USW Santorini Black

When cold and the ignition goes on for the first time does the engine temp needle raise at all?
Also have you cleaned the MAP sensor as welll as the MAF? 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)

28th Jul 2020 8:45am

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3184

Never heard of cleaning MAP sensors. On the other hand, MAFs are very sensitive to contamination. Another sensor that would cause the engine to die is the crank position sensor. Perhaps a connection issue there. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

28th Jul 2020 10:38am

bear100

Member Since: 22 Mar 2010
Location: South Wales
Posts: 1867

Quite a few threads on here about cleaning them, they do get sooted up quite bad with a few miles under their belt

2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)

28th Jul 2020 6:04pm

wyvern

Member Since: 14 Dec 2009
Location: Cornwall
Posts: 2068

2012 Defender 110 Puma 2.2 XS CSW Firenze Red

silly question - but do you have both sets of keys in the wagon ?? this will cause some issues when staring ...
just a thought Poppy - TDCI (Puma) 110XS 2.2 - Camper conversion - see the build here - https://www.defender2.net/forum/topic56530.html
Elgar -TDCI(Puma) 110XS Dormobile - now sold
Devon & Cornwall 4x4 Response - DC126

28th Jul 2020 8:38pm

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