 | Home > Puma (Tdci) > 2.4 puma engine cutting out!??? Please help!! |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20318  
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Likely to be the VCV on the fuel pump with no DTCโs being flagged up on the OBD system.
PF Jones have them, you can change one yourself. This is purely advice, I cannot guarantee it is that. Do you know how old the original is? โญ๏ธโญ๏ธGod Bless the USA ๐ฌ๐ง๐บ๐ธ โญ๏ธโญ๏ธ |
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18th Oct 2021 10:36am |
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| Nick13 Member Since: 18 Oct 2021 Location: Kilkenny Posts: 13  
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Thank you custom90steve for the quick reply, to be honest I couldn't tell you ?? I discovered, after 2 garages that a lot of the work that was meant to be done were actually not done!!! Anyway !! I will look into it !
V.c.v? |
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18th Oct 2021 10:43am |
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| Nick13 Member Since: 18 Oct 2021 Location: Kilkenny Posts: 13
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V.c.v= volume control valve!! ๐๐๐
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18th Oct 2021 10:48am |
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| Nick13 Member Since: 18 Oct 2021 Location: Kilkenny Posts: 13
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I forgot to mention that when the injectors were put back , the car behave a lot smoother than usual for about 2 days and then the problem came back!!???
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18th Oct 2021 10:57am |
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| Nick13 Member Since: 18 Oct 2021 Location: Kilkenny Posts: 13
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How do you check if the vcv is faulty?
Thanks! |
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18th Oct 2021 12:35pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1997
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If you do end up replacing the VCV here is a little how to from bell auto services https://bellautoservices.co.uk/store/defen...our-valve/
From posts on here you DO NOT need to do points 7 and 8 I.e 7. Using diagnostic system carry out the pump learn procedure. 8. Using diagnostic system carry out the pilot correction procedure. So a relatively easy procedure, when it first starts after replacement it will not run smooth but take it for a run and all should settle down. Just make sure all is very clean before removal and on fitting new VcV |
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18th Oct 2021 12:39pm |
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| shropshiredefender Member Since: 05 Jun 2017 Location: Shropshire Posts: 834  
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Simple stuff first - is the cooling system topped up and functioning properly with no leaks? The cylinder head temp. sensor will cut power if it senses overheating - this will happen when the temp. is shown as normal and will record no faults. Hope it's this simple  Just because you're offended doesn't mean you're right. |
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18th Oct 2021 12:55pm |
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| Nick13 Member Since: 18 Oct 2021 Location: Kilkenny Posts: 13
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Hope it is too!!๐๐ , thanks ianh for the instructions!๐๐๐
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18th Oct 2021 1:00pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17360 
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Fit a new one of reputable make. It is impossible to test a VCV, and all you can do is replace it and see if it solves the problem. VCV faults tend not to produce any DTCs and consequently the main indication of a VCV fault is poor running with no DTCs. A faulty VCV can produce a massive range of symptoms from intermittent misfire, stalling on tickover, poor acceleration, and so on. |
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18th Oct 2021 1:34pm |
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| Nick13 Member Since: 18 Oct 2021 Location: Kilkenny Posts: 13
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Thanks blackwolf ๐
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18th Oct 2021 1:41pm |
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| Eduardo Member Since: 28 Aug 2008 Location: Regiรณn Metropolitana Posts: 2110  
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VCV are like the butler in the mystery novels.
Always be suspicious of him.... Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo"  Click image to enlarge |
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18th Oct 2021 3:51pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20318
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I wonder if the injectors were programmed when installed?
Yes the VCV can often be seen as a cure all, but isnโt always the case but seems to be cropping up a lot lately. That and grounding issues with electrical problems. โญ๏ธโญ๏ธGod Bless the USA ๐ฌ๐ง๐บ๐ธ โญ๏ธโญ๏ธ |
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18th Oct 2021 6:29pm |
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| Fabio Member Since: 05 Aug 2011 Location: Somerset Posts: 589  
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Mine did this too,
I changed the VCV valve and it has been fine ever since. The VCV was only 18months old when I had to change it again. Fabio |
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19th Oct 2021 4:52am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17360
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Something I have noticed over the years on this forum is that particular questions and particular faults crop up in waves several years apart. I suspect that this is connected with the turnover of vehicle ownership, with new owners joining the forum and finding the faults that we "old lags" have dealt with in the past. Unless VCVs have suddenly started getting COVID.... |
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19th Oct 2021 8:39am |
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