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taffrican



Member Since: 14 Jan 2011
Location: Living room
Posts: 624

Wales 2002 Defender 90 Td5 HT Java Black
Puma engine RPM's
One of the blokes at work has just bought a 09 Puma, he was playing around with it and tried to see how it reacts to revving the engine as the tester does when it goes for MOT, he says he put his foot flat and the engine rapidly revved to 3000rpm and then just stayed there and no matter what he does it will not rev above 3000rpm. I don't have a clue about Puma engines as I have a TD5, is this right? any ideas? Optimists say the glass is half full..
Pessimists say the glass is half empty..
Engineers say the glass is twice the size it needs to be!
Post #206631 29th Jan 2013 9:00pm
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Glynparry25



Member Since: 16 Feb 2009
Location: Miserable Midlands
Posts: 3015

Wales 2009 Defender 110 Puma 2.4 XS DCPU Tonga Green
That is normal- many cars do it now where they have a max revs when in neutral. A friend's Nissan Pathfinder had a problem in 5th gear where it would stop accelerating at 2750rpm.... like a limiter- turned out the neutral switch had shifted and was still pressed so the ecu was limiting the rpm.

Glyn Dog Sheep
Post #206640 29th Jan 2013 9:18pm
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taffrican



Member Since: 14 Jan 2011
Location: Living room
Posts: 624

Wales 2002 Defender 90 Td5 HT Java Black
Cheers Glyn, I did discuss this possibility with him but he thought not, I'll pass the info on to him tomorrow.
Thanks
Mike Optimists say the glass is half full..
Pessimists say the glass is half empty..
Engineers say the glass is twice the size it needs to be!
Post #206645 29th Jan 2013 9:24pm
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Phil VM2.5



Member Since: 28 Mar 2012
Location: Limelette
Posts: 196

Belgium 2012 Defender 110 Puma 2.2 SW Keswick Green
hello,
I would like that idee that there is a limitation when in neutral ...
I am always ill when I have to go once a year to the "contrôle technique" where they put it at max rpm when I am on the road at 2000 rpm ...
Phil current : defender 110 sw 2.2 puma 2012 and 230.000km today and
again my Range Rover VM2.5 engine from 1992 and 528.000km today.

One ten 1988 to 1992
1987 BMW GS80
One Ten from 1984 to 1987
One Ten from 1983 to 1984
Serie 3 109 from 1980 to 1983
from 1974 Jeep CJ3B and CJ6
Post #206729 30th Jan 2013 7:51am
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ericvv



Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5816

Switzerland 2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
I know those idiots at technical inspection in Belgium do that with diesels. Rev them up to the max and hold them there to measure the emissions. I know of quite a few diesels in Belgium which have blown the engine at technical inspection, and worst thing is they have no responsibility.

In this respect, for all Puma drivers in Switzerland there is very good news Thumbs Up Where up to now each and every car had to do an emission test every two years (which gives you the round sticker on the window), this test has now been cancelled since beginning 2013 for all cars which from new fall within a certain category.
If on line 77 of your grey registration card there is a code B04 or higher, no bi-annual emission control is needed anymore as it is deemed that cars with B04, B05, and up are so clean and eventually will give a signal via a dash light if something is wrong with the emissions.
The good news is that the (my) 2.4 Puma has indeed code B04, (and I believe the 2.2 Puma will have B05 although cannot confirm that), so yesterday the sticker was removed, and end of the story.
No risk that they overrev the engine anymore for Puma's Thumbs Up You never actually own a Defender. You merely look after it for the next generation.
http://youtu.be/yVRlSsJwD0o
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Post #206736 30th Jan 2013 8:06am
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o4dn



Member Since: 08 Jan 2010
Location: South West
Posts: 539

France 2009 Defender 90 Puma 2.4 SW Alaska White
ericvv wrote:
I know those idiots at technical inspection in Belgium do that with diesels. Rev them up to the max and hold them there to measure the emissions. I know of quite a few diesels in Belgium which have blown the engine at technical inspection, and worst thing is they have no responsibility.


Evil or Very Mad I think this is exactly the same procedure in France as well (not surprising, actually). Big Cry
Post #206742 30th Jan 2013 8:24am
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x-isle



Member Since: 26 May 2011
Location: Midlands
Posts: 1327

Wales 2007 Defender 110 Puma 2.4 XS CSW Santorini Black
Yeah, it limits it to stop you vibrating the crap out of the engine for no reason.

I remember sitting on the drive in my XK and doing it, don't know why, one day I just did it for the sound of the V8.

I thought I'd blown the engine when the limiter kicked in! Shocked Craig Rogers

2007 Puma 110 XS
2011 Evoque Coupe Dynamic Lux
www.craigrogers.photography
Post #206751 30th Jan 2013 9:02am
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Funny - I noticed the other day that if I rev the engine a bit in neutral and hold the pedal there, the revs go down to idle speed automatically. Obviously some self-correcting software. Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #206789 30th Jan 2013 11:44am
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