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jasonshum



Member Since: 10 Jun 2011
Location: Hong Kong
Posts: 13
Hong Kong 
Puma TDCi problem


We saw the same problem occur? Big Cry Big Cry Big Cry
Post #75264 10th Jun 2011 6:44pm
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Zagato
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Member Since: 08 Jan 2011
Location: Billingshurst West Sussex
Posts: 5013
United Kingdom 
No one else more knowledgeable (that's everyone!) has replied so I'll take a punt at it overheating and limiting the revs Confused
Post #75309 11th Jun 2011 7:14am
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double cab happy



Member Since: 01 Jun 2009
Location: merseyside
Posts: 573
England 2007 Defender 110 Puma 2.4 DCPU Java Black
i have recently changed my fuel filter and that has made things run smoother, not sure if thats your problem, just a thought.
Post #75362 11th Jun 2011 12:35pm
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Martin
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Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6635
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red
What's happening? Confused Can't tell from just a video of the rev counter....!  1988 90 Td5 NAS soft top
2015 D90 XS SW
Post #75363 11th Jun 2011 1:03pm
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dgardel



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

1. mass meter
2. camshaft position sensor
3. engine rev sensor
4. fuel filter
5. what else?

- look if during the "problem" the VVT actuator is moving in the same manner

- try to disconnect the battery for 1 or 2 hours (ECU RESET) and then test again

- see with a voltmeter if the tension on the battery are fluctuating like the engine Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition

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Last edited by dgardel on 11th Jun 2011 1:35pm. Edited 1 time in total
Post #75364 11th Jun 2011 1:32pm
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dgardel



Member Since: 30 Nov 2008
Location: Veneto (Heart & Head)
Posts: 3586
Italy 
Martin wrote:
What's happening? Confused Can't tell from just a video of the rev counter....!


up and down itself Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition

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Post #75366 11th Jun 2011 1:34pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2448
Chile 2007 Defender 110 Puma 2.4 SW Chawton White
I bet for stuck EGR Puma 110" SW

.............................................................
Earth first. Other planets later
Post #75369 11th Jun 2011 2:05pm
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dgardel



Member Since: 30 Nov 2008
Location: Veneto (Heart & Head)
Posts: 3586
Italy 
MK wrote:
I bet for stuck EGR


Also should be..... Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition

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Post #75379 11th Jun 2011 5:19pm
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jasonshum



Member Since: 10 Jun 2011
Location: Hong Kong
Posts: 13
Hong Kong 
But the problem is only in the open A / C air conditioning
Post #75517 12th Jun 2011 4:06pm
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WelshGas



Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935
Wales 2010 Defender 90 Puma 2.4 XS CSW Santorini Black
Quote:
But the problem is only in the open A / C air conditioning


Do you mean you only get this problem when the Air Con is ON Question Question Question

If that is the case then I would get the Air/Con system Pressure tested.

It could be that it is low on refrigerant or even over full and the Air/Con is switching on an off frequently thus altering the engine load frequently leading to the engine idle speed oscillating. Thumbs Up Thumbs Up
Post #75522 12th Jun 2011 4:29pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6318
England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
I suspect its the engine objecting to the music !!



sorry couldn't help that Rolling with laughter
Post #75562 12th Jun 2011 8:15pm
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BigMike



Member Since: 13 Jul 2010
Location: Lancashire
Posts: 2253
United Kingdom 
Caterham wrote:
I suspect its the engine objecting to the music !!



sorry couldn't help that Rolling with laughter


Rolling with laughter
Post #75672 13th Jun 2011 7:25pm
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5059
United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
alternator failing did that on a 300tdi disco i had Mike
Post #75685 13th Jun 2011 8:23pm
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