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mrbond



Member Since: 24 Oct 2009
Location: White River, Mpumalanga
Posts: 7

South Africa 2009 Defender 110 Puma 2.4 CSW Stornoway Grey
Loss of Power UPDATE from the serious Landy fans!!
Greetings from South Africa and many thanks to those of you who offered invaluable advice. We had a meeting with local dealership's workshop manager this afternoon and he confirmed that the following had been looked at on our vehicle:

1. Intercoller hose worn = no
2. MAF and MAP sensors = replaced, and no change
3. Fuel tank breather pipe the wrong way round = no
4. Fuel tank breather pipe taking in any water = no
5. Failure of fuel pressure regulator hose = no
6. Patch to latstest software = downloaded
7. Sticking injector valve = no
8. Problem with timing advacne = no

The final step before we demand a replacement vehcile is the fitting of a TD5 intercooler. This will be tested tomorow - so wish us luck for a positive response.

From research done to date, it seems that 10% of all new 2009 2.4 Defenders have a 'power loss' problem. Land Rover HQ do not seem to know how to handle this issue. We will keep you posted as we are die-hard Landy drivers.

This is our 4th Defender - our first Landy was a 1974 knock-down 3 series with military plates.

Kind regards

Mrs. Bond
Post #17346 27th Oct 2009 9:09pm
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fekete



Member Since: 24 Dec 2008
Location: Here on the other end of the computer
Posts: 3626

United Kingdom 2007 Defender 90 Puma 2.4 HT Bonatti Grey
Keep us posted mrbond all good stuff Thumbs Up NEVER TAKE LIFE SERIOUSLY. NOBODY GETS OUT ALIVE ANYWAY
Post #17351 27th Oct 2009 9:38pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6298

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
when I sold mine the dealer had problems with it (only happened to me once) when it was driven quickly (65+mph) it went into a kind of limp mode (turn on/off and it reset).

anyway to cut along story short my dealer said there was no problems.....turns out another dealer ended up getting land rover involved and it turned out there was silicone somewhere there shouldn't have been (on the ecu connections I presume?) !

anyway it got sorted I understand.

not much help I'm sure but its at least another avenue to consider.
Post #17378 28th Oct 2009 8:51am
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mrbond



Member Since: 24 Oct 2009
Location: White River, Mpumalanga
Posts: 7

South Africa 2009 Defender 110 Puma 2.4 CSW Stornoway Grey
power loss update
Interesting... silicon used to install Mantec snorkel when manufacturer supplied a foam washer for attachment to air intake on side of vehicle. Thanks. Will pass onto dealer. PS swapping out the puma intercooler for a TD5 (bigger) intercooler had no effect on power loss... no surprise there then!
Post #17507 30th Oct 2009 6:43pm
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niglyn



Member Since: 12 Jun 2009
Location: Surrey
Posts: 82

United Kingdom 2009 Defender 90 Puma 2.4 XS CSW Stornoway Grey
My 2007 had the same problem, big loss of power at about 76mph. When towing on busy motorways it is no fun. Throttling up/down, changing gear etc would have no effect until the speed was down to 30mph then it carried on as if nothing was wrong. It only happened when under heavy load, usually towing uphill in hot weather.

The cause was never found & I chopped the vehicle in for a new 2009.
Post #17558 1st Nov 2009 3:31pm
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mrbond



Member Since: 24 Oct 2009
Location: White River, Mpumalanga
Posts: 7

South Africa 2009 Defender 110 Puma 2.4 CSW Stornoway Grey
Still getting nowehere. Local dealer must now replace the vehicle which they don't want to do as ours is expedition kitted. They are now advising that I take the issue up with Land Rover Customer Service SA. Will see how I get on with them, otherwsie legal route to be taken. Wwe will keep you posted.

Kind regards

Mr Bond
Post #17570 1st Nov 2009 6:26pm
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CapeLandy



Member Since: 21 Jul 2008
Location: Cape Town
Posts: 558

South Africa 
Is that Bain's Baobab on your Avatar? Puma 110 - gone
Series III 1973 - going strong
Post #17582 1st Nov 2009 7:57pm
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6090

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
mrbond wrote:
. They are now advising that I take the issue up with Land Rover Customer Service SA.



I would insist that your dealer contacts LR about it.... after all, you bought the vehicle from them, not from customer services.

Let them do the leg work, not fob it off on you!
Post #17632 2nd Nov 2009 7:44am
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6298

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Sorry - Niglyn, your 2007 LR wasn't a 110 in blue was it?
Post #17727 3rd Nov 2009 7:29am
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niglyn



Member Since: 12 Jun 2009
Location: Surrey
Posts: 82

United Kingdom 2009 Defender 90 Puma 2.4 XS CSW Stornoway Grey
90 in blue, with sunroof.
Post #17953 6th Nov 2009 7:58pm
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90hardtop



Member Since: 13 Nov 2009
Location: UK
Posts: 1

Silicon / Silicone
Hi,

Was just reading your thread, and wondered whether when you mentioned silicon in the wrong place you perhaps meant poisoning the lambda sensor(s)? I understand modern diesels have progressed significantly and are now using closed loop control with feedback of exhaust oxygen concentration using an exhaust oxygen sensor - called a lambda sensor - as per petrol engines with catalytic converters. If there is too much silicone in the diesel fuel - used as an antifoam additive - because the refinery has mucked up, then I understand you are at risk of poisoning the lambda sensor.

...in short, if your Land Rover has oxygen / lambda sensors in the exhaust (one before, one after the cat, perhaps?), try getting these replaced. Sometimes, when they are poisoned they can read low oxygen and hence the engine management system backs off the fuel added and hence low power / sometimes stalling. I have had the same problem myself on a petrol engine and because there is no actual electrical fault, just an error in the reading (but still within the normal potential difference range), the diagnostics cannot detect it.

Good luck.
Post #18325 13th Nov 2009 8:44pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6298

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
good one. I don't know to be honest the garage simply said they had to get LR involvled to find the problem and it had 'something to do with silicone which they use at the factory during build.'
Post #18412 16th Nov 2009 7:28am
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totoD110



Member Since: 26 Nov 2008
Location: Manila, Philippines
Posts: 86

after spending ten(10)days in dealer's shop.I had experience today a power loss between 80kph to 100kph... its just like a hesitation even I floored it it doesnt respond to my input in the throttle. Big Cry this is the 1st time I had this problem since new(April 2008). i guess im going to miss my car again for another couple of days Big Cry
Post #18415 16th Nov 2009 12:33pm
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