Home > Puma (Tdci) > Puma not starting after stalling.[SOLVED] Likely fuel filter |
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custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20413 |
Likely to be VCV, or grounding issues is worth checking such as battery clamps are tight and main electrical points. $W33T $0U7H3RN $UG4R
๐ฌ๐ง๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฎ๐ช๐บ๐ธโฝ๏ธ๐ข๏ธโ๏ธ๐งฐ๐ช |
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27th Oct 2024 11:58am |
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Waka56 Member Since: 08 Nov 2023 Location: Hamburg Posts: 162 |
It the car not starting for a couple of weeks something that helps the VCV dying unexpectedly? Haven't had weird symptoms beforehand. Thanks anyway ๐ Making my Defender great again. (Or trying to at least xD)
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27th Oct 2024 12:05pm |
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custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20413 |
Itโs worth checking the battery voltage at rest to see what that is reading at, and that the alternator is producing correct voltage spec with the engine running.
The VCV can be affected by contaminants in fuel, such as water but you can get diesel bug too but usually it will sit many many many months longer than youโve suggested for that to be much of an issue. VCV failure will cause the engine to cut out, the only solution is to replace it which isnโt expensive but it is worth checking other things first, such as battery condition etc. Hope that helps, there are some other possibilities too such as injectors etc but VCV failiureis way more common than that. $W33T $0U7H3RN $UG4R ๐ฌ๐ง๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฎ๐ช๐บ๐ธโฝ๏ธ๐ข๏ธโ๏ธ๐งฐ๐ช |
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27th Oct 2024 12:52pm |
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Waka56 Member Since: 08 Nov 2023 Location: Hamburg Posts: 162 |
Battery is fine, since the car does not start anymore, I can't check the alternator, but I think it's doing its job. Could the VCV actually stop the engine from starting? Seeing more rough idle story and cut out. I guess I'll have to find someone that can check if the diesel is coming to the injectors, really feels like a fueling problem.
Edit: I do believe that I had some bad diesel at some point, I nearly emptied the tank once and afterwards the injectors made a bit more noise for a while. Making my Defender great again. (Or trying to at least xD) |
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27th Oct 2024 12:59pm |
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custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20413 |
Yes I believe it can, and poor idle and hunting / fluctuating idle when cold is a known symtom.
Do you happen to know how old it is? (The VCV). Some have a pretty good life, others not so much. $W33T $0U7H3RN $UG4R ๐ฌ๐ง๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฎ๐ช๐บ๐ธโฝ๏ธ๐ข๏ธโ๏ธ๐งฐ๐ช |
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27th Oct 2024 4:40pm |
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Waka56 Member Since: 08 Nov 2023 Location: Hamburg Posts: 162 |
No I have no idea when it was changed, only got the car for a year now. Making my Defender great again. (Or trying to at least xD)
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27th Oct 2024 6:30pm |
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custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20413 |
Iโd suggest going for a new VCV then as prices are quite reasonable and you wonโt need to do any learn process.
Is it a 2.4 or 2.2?, a 2.4 is a bit easier to do it on but both are okay. A failing VCV flags no DTC or MIL (Amber Dash Light). Beyond that, possibly prior to going that route clean the MAF & MAP sensors. $W33T $0U7H3RN $UG4R ๐ฌ๐ง๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฎ๐ช๐บ๐ธโฝ๏ธ๐ข๏ธโ๏ธ๐งฐ๐ช |
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27th Oct 2024 6:35pm |
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Waka56 Member Since: 08 Nov 2023 Location: Hamburg Posts: 162 |
Yeah I guess it would not be a complete waste of 100โฌ, but I can't find cases where the VCV does not let the engine start. The VCV problems seems to go away whenever you restart the car and come back later. Confused right now haha. And 2.4 Making my Defender great again. (Or trying to at least xD)
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27th Oct 2024 7:23pm |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8045 |
I have changed a vcv on a rough running vehicle and it then wouldn't start. Took new off checked it and refitted, still wouldn't start.
Fitted another one new one and it worked perfectly. In your case it wouldn't hurt to check/change fuel filter and check fuel is getting through to engine. Could just be crap in pipe. Or watery diesel that's corroded vcv. Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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27th Oct 2024 8:32pm |
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Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2019 |
Test your camshaft and crankshaft sensors and wiring. See https://www.defender2.net/forum/topic92421...ank+sensor especially posts by Blackwolf.
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27th Oct 2024 8:36pm |
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custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20413 |
IanH makes a good point there, there is those as well. $W33T $0U7H3RN $UG4R
๐ฌ๐ง๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฎ๐ช๐บ๐ธโฝ๏ธ๐ข๏ธโ๏ธ๐งฐ๐ช |
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27th Oct 2024 8:50pm |
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Waka56 Member Since: 08 Nov 2023 Location: Hamburg Posts: 162 |
I guess I'll start with the crank and camshaft sensors. How do you test them? Is it a matter of cleaning them? Or just get 2 new ones and swap? They seem fairly cheap.
Okey, found online some tests for the crankshaft position sensor. I'll keep digging. Thanks guys! How often does a high pressure fuel pump gives up out of the blue? (Yep, my brain always thinks of the pricy problems haha) Making my Defender great again. (Or trying to at least xD) |
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27th Oct 2024 8:54pm |
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Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2019 |
Do you have a code reader, it would help if you did to see if there are any recorded Diagnostic Trouble Codes. (DTCโs).
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27th Oct 2024 10:55pm |
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Waka56 Member Since: 08 Nov 2023 Location: Hamburg Posts: 162 |
I did not have it in the car, I'll check today ๐ Making my Defender great again. (Or trying to at least xD)
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28th Oct 2024 6:21am |
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