 | Home > Puma (Tdci) > Running Lean |
 
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| johnbain Member Since: 28 Oct 2012 Location: livingston Posts: 34  
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Can anyone tell me a reason for my 2.2 running lean Range rover td6
defender2 xtech |
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25th Feb 2015 6:29am |
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| grafty99 Member Since: 15 Aug 2012 Location: North Devon Posts: 4785 
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+1
Diesels can't run lean, less fuel just equals smaller bang on a diesel 2002 90 Td5 Station Wagon 1990 Vogue SE Triumph Tiger Explorer 1200 Td5 90 Thread http://www.defender2.net/forum/topic50767.html Tdi 110 Thread https://www.defender2.net/forum/topic69562.html RRC Thread http://www.defender2.net/forum/topic54492.html Instagram http://www.instagram.com/george_grafton |
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26th Feb 2015 8:39pm |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3643 
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why do you think it is running lean? DEFENDER 90 TDCI XS,
I hope everyone is well and your land rovers make you happy |
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26th Feb 2015 9:21pm |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298  
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Years gone by I would agree with not possible.......
These days I would have thought it was very possible -but hopefully someone in the know can confirm? Last edited by Caterham on 27th Feb 2015 9:57am. Edited 1 time in total |
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27th Feb 2015 8:31am |
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| Wild Card 90 Member Since: 03 Dec 2014 Location: Gerlingen Posts: 1060 
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Maybe his Puma has started giving 50 mpg, and he canīt work out why
 1998 Tdi 90 SW,
2008 Td4 90 SW, 2012 2.2 90 SW, 2" raised Trailmaster/Terrafirma Heavy Track Raids, 255 MTīs, Recaro CSīs, anorak, wellingtons |
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27th Feb 2015 9:42am |
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| johnbain Member Since: 28 Oct 2012 Location: livingston Posts: 34
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Mmmm wild card your funny
 your so helpful not Range rover td6
defender2 xtech |
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27th Feb 2015 4:15pm |
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| johnbain Member Since: 28 Oct 2012 Location: livingston Posts: 34
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lr90 the tail pipe is white ish to golsden brown never seen it on a diesel before and ive got a slight over run . someone has said it might be a faulty air flow meter and i have had problems with this in the past . Range rover td6
defender2 xtech |
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27th Feb 2015 6:18pm |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3643
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lots of modern diesels run light coloured exhausts I think its the addition of a cat and pdf that causes it with much less soot getting to the tail pipe , take a look at new MBs and Audis, your MPG is the best indication if you manage between 25 and 32 mpg it will be about right. DEFENDER 90 TDCI XS,
I hope everyone is well and your land rovers make you happy |
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27th Feb 2015 7:26pm |
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| Wild Card 90 Member Since: 03 Dec 2014 Location: Gerlingen Posts: 1060
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So having got the funny dealt with, Iīll try helpful... What about temperature? Is the motor running hotter than previously? Temp is difficult to judge with the standard gauge. Do you have access to a scan gauge? 1998 Tdi 90 SW,
2008 Td4 90 SW, 2012 2.2 90 SW, 2" raised Trailmaster/Terrafirma Heavy Track Raids, 255 MTīs, Recaro CSīs, anorak, wellingtons |
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27th Feb 2015 8:44pm |
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| Jonno Member Since: 06 Mar 2012 Location: Yorkshire Posts: 234 
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All diesels run with an excess of air, they don't run at a predetermined ratio unlike a petrol, which runs at stoichiometric air , fuel ratio.
There is no throttle and the power output is simply defined by fuel in. You won't get a situation like a petrol where its overheating etc, due to lack of fuel..... It'll just run slower with less power. Jonno |
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27th Feb 2015 8:48pm |
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| johnbain Member Since: 28 Oct 2012 Location: livingston Posts: 34
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I ve decided put it in for a full health check just in case there is something amiss I thought some folk might of had this before but I ll let you all know what the result is thank you a all for your response on this .
Range rover td6
defender2 xtech |
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27th Feb 2015 9:54pm |
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| martinfiattech Member Since: 13 Nov 2013 Location: leicester Posts: 422
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2.2 = DPF, Less soot of course, it`s gona have a cleaner exhaust. Excuse the spelling I`am better with spanners and wires.
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1st Mar 2015 2:52pm |
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