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pcoote

Member Since: 01 Aug 2010
Location: Oxford
Posts: 83

2010 Defender 110 Puma 2.4 USW Stornoway Grey

On ignition temp gauge goes max and engine will not start.

My Defender 2.4 puma had not been used for a couple of months. I took the battery out and fully charged it overnight. After putting it back in the engine started first time with no issues. I then had to drive it to Southampton airport to pick my Mrs up. This was about an hour and a quarter drive. I scanned the gauges regularly on the drive as I hadn't driven it for a while, all were on normal. I parked up in the multi storey short stay car park. After an hour of waiting for my Mrs we returned, the engine started momentary but then just died. The starter motor was very strong but just no joy, it was as if I had run out of fuel. I convinced myself the fuel gauge was faulty and I had actually an empty tank and not the half full tank on the gauge. So I walked couple of miles to a fuel station to bring back a gallon of diesel. However it started again but then died like before. I now noticed with the ignition on the second step with the glow plug on the engine temperature gauge went right up to max. I couldn't remember if this always did this before the engine started. Anyway I ended up getting it put on a trailer the next morning to get back home. I took the battery out again and re charged backup over night again as it had been hammered by now. After putting the battery back in I thought I would give it another go. The ignition now on the second step I immediately noticed now the engine temp had not moved up to max like before and the engine started up first time ! So any ideas what happened here. I fear it may happen again.

23rd Dec 2019 4:11pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

have read link below

On ignition temp gauge goes max and engine will not start. form LR

https://1drv.ms/b/s!AtZSoWFHDgnGkWWX3oCmmZLsQs5-?e=iHwOzU

23rd Dec 2019 4:20pm

pcoote

Member Since: 01 Aug 2010
Location: Oxford
Posts: 83

Thanks dorsetsmith that sounds spot on. I will check the fault codes tomorrow.

23rd Dec 2019 4:49pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6604

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Gauge in the max can mean that the ECU isn’t running - either a crashed ECU as in the LR bulletin, or look at the fuses supplying it.

What year is your Puma?

1988 90 Td5 NAS soft top

2015 D90 XS SW

23rd Dec 2019 6:19pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6604

Sorry can see it’s a 2010

1988 90 Td5 NAS soft top

2015 D90 XS SW

23rd Dec 2019 6:23pm

pcoote

Member Since: 01 Aug 2010
Location: Oxford
Posts: 83

Hi Martin,

My ECU has the code 0G182 which according to the service bulletin translates to a manufactring date of 1st July 2010.
So that means it's after the bad batch which were before 14th October 2009.
I noticed when I flashed the Alive tuning back to the original the temp gauge went into the red during the flash and then went back to normal after completing. So as you say this indicates the original problem was ECU related.
I have 4 DTC fault codes 2 which look related to ECU P0606 (Control Module Processor), P068A (ECM/PCM Power Relay De-Energized - Too Early). I did notice when putting the battery in the second time after the breakdown the battery terminals were dry so I smeared on petroleum jelly. Anyway I have not had a repeat incident so far. I'm driving it to the Alps in a few weeks so I'm now feeling nervous.

28th Dec 2019 3:08pm

Fabio

Member Since: 05 Aug 2011
Location: Somerset
Posts: 589

2011 Defender 110 Puma 2.4 XS CSW Santorini Black

I had this happen to mine yesterday.
Under the drivers seat there is a few relays , If you unplug the second from last towards the back and clean it, it will be fine.
I did buy cleaner and cleaned it as well.
It is fine now.

Fabio

28th Dec 2019 6:29pm

PDX-VTE

Member Since: 28 Jun 2018
Location: Laos
Posts: 1

2010 Defender 130 Puma 2.4 HCPU Alaska White

My 2010 had the same symptoms (temp gauge max out and no start) and it would eventually start after a few tries. It would takes more and more tries before the glow plug light comes on, until about a month ago the ECU completely gave up. I had the ECU replaced with a NNN501630, like in the service bulletin, and it starts right up, temp gauge doesn’t go to max and glow plug light comes on like it should. My VIN number was after the supposedly affected vehicles, and so was the production date on the bad ECU, it was after the “bad batch.” I am in Laos and parts are spendy, that is why I was reluctant to replace the ECU over a year ago when I first bought the vehicle. But after a year of not starting right away and starting immediately, I wish I would have replaced it sooner.

15th Jan 2020 10:03am

Steve maman

Member Since: 17 Feb 2021
Location: Montreal canada
Posts: 4

Hi , can you share the file ? I have the exact issue and am lost with no ideas left !

dorsetsmith wrote:
have read link below

On ignition temp gauge goes max and engine will not start. form LR

https://1drv.ms/b/s!AtZSoWFHDgnGkWWX3oCmmZLsQs5-?e=iHwOzU

25th Jun 2024 2:52am

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2412

2007 Defender 110 Puma 2.4 SW Chawton White

https://gershon.ucoz.com/landrover/PUMA/Se...ture_G.pdf Puma 110" SW

.............................................................
Earth first. Other planets later

25th Jun 2024 1:12pm

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