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MGRGPGBG

Member Since: 19 Dec 2017
Location: New York
Posts: 67

2009 Defender 110 Puma 2.4 SW Alpine White

Random Starting Issue

I have been having a very random starting issue with my 2.4 TDCI. At various times when I turn the key nothing happens at all. The starter does not come on, the engine does not turn over, etc. - every other electrical component works perfectly fine. The gauge cluster resets, the warning lights and glow plug lamp comes on/off, headlights, radio all work. I have had the under seat lid off and can hear the relays click on and off also.

My ECU was remapped by Pete Bell to have the immobilizer / alarm removed. I had originally thought this was the issue but the problem still happens. Sometimes it has happened every few days, other times weeks between. The last time I had this issue was over 1 month ago and yesterday it happened again. The problem sorts itself out magically. I let the car sit for 15 - 30 minutes and the next time I turn the key it starts up like nothing ever happened.

Has anyone experienced this issue - love the lists of quirks my Defender is amassing.

Thanks in advance.

30th Oct 2019 1:26pm

dgardel

Member Since: 30 Nov 2008
Location: Veneto (Heart & Head)
Posts: 3586

rotating switch on the back of the key lock. Changeable (the switch, not the whole key lock mechanism) Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition

IID Pro MV License

30th Oct 2019 1:39pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6605

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Sounds similar to this: https://www.defender2.net/forum/topic69729.html?highlight=duff

That thread has gone quiet but might give you some pointers.

Happy to help with more pointers if you try some things and they work/don't work

1988 90 Td5 NAS soft top

2015 D90 XS SW

30th Oct 2019 1:39pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20348

Be sure that your battery clamps and ground feeds are secure. It sounds simple but can be a cause of a lot of issues.
They can look it, feel it possible but they need to be tight and clean.

Only takes a minute to check, and worth doing just in case before further investigation. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

30th Oct 2019 5:02pm

diduan

Member Since: 13 Oct 2016
Location: Central Balkan
Posts: 260

I had the same problem and it was the main relais having poor contact. Take it out, clean the pins and put it in again. Defender 110 SW MY2011 2.4tdci decat, no EGR
Jeep Wrangler YJ 1990 4.0. Front 78' Dana 60, Rear CUCV 14 bolt

31st Oct 2019 5:32am

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