 | Home > Puma (Tdci) > Loss of power. |
 
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| williamthedog Member Since: 29 Dec 2012 Location: south wales Posts: 3441  
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Have a look at the posts about the vcv valve on here.
Sounds suspect. |
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14th Oct 2020 7:04pm |
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| Coze Member Since: 14 Oct 2020 Location: Scotland Posts: 3 
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I replaced the vcv valve last year, as the defenders idle speed was very erratic, replacing this valve solved the idle speed problem.
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14th Oct 2020 7:14pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16876 
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The first thing to do is check what if and DTCs are stored in the ECU, otherwise it's just guesswork.
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14th Oct 2020 7:25pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7686 
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As above check codes.
What conditions does it occur under? Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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14th Oct 2020 7:28pm |
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| Stacey007 Member Since: 25 Sep 2015 Location: Cheshire Posts: 3693
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Mine did this just randomly lost power,
No fault codes, nothing, all dials go off then sometimes would restart on its own other times I restart it. Could do it 3 times in a 20 mile trip or once in 3 months... Mine was a new ignition barrel. Changed this and no issues since |
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14th Oct 2020 7:47pm |
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| Coze Member Since: 14 Oct 2020 Location: Scotland Posts: 3
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What conditions : Normal driving, happens randomly can be over a month and no issues, then twice in a week, dealership hopeless as no fault codes therefore not interested. I am completely bamboozled, as it goes like a train after you have stopped at the side of the road and restarted it.
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14th Oct 2020 9:02pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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Stacey007's reply above has identified a very likely culprit. Fiddly to fix but not expensive. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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14th Oct 2020 9:21pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19570
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Grounding points being loose and or battery clamps is another possibility, an easy enough thing to check at least and free.
Ideally some Dielectric grease too, and checking all main HD fuses are secure. MAF and Map sensors are clean, and maybe even the alternator live stud too. The electrical side can have a significant impact on the performance due to the fuelling system ECU etc. I expect the above posts maybe very possible and likely even to be the issue. But the things I’ve suggested are worth checking just in case and won’t cost anything. Take a look at the air filter too. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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14th Oct 2020 10:33pm |
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