 | Home > Puma (Tdci) > Starting issue - presumed glow plug related |
 
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018   
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Do you leave the glow plugs on for a full cycle before starting? How long is the light in the cab on for on each cycle?
The glow plugs should operate during the warm up phase, so there's a few things to check there. |
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30th Jan 2021 7:20am |
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| DG123 Member Since: 29 Aug 2015 Location: North West Posts: 133 
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Hi Supacat,
Yes, leave the glow plugs to cycle as per normal till the light goes out. Has only been an issue in this recent cold snap, when it’s warmer I don’t have a problem. I suspected a main battery issue, hence got the scanner out, but got these permanent circuit/range performance DTC’s. Don’t want to splash out big money for battery if it’s not this issue. 2012 110 XS SW Orkney Grey 2003 D2 Td5 Black [SOLD] |
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30th Jan 2021 8:15am |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414  
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The 2.2 has a control module that powers each heater plug individually and I think can detect when any one or more of the heaters are not working. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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30th Jan 2021 8:20am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5707 
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I don’t think failing, or failed glow plugs would cause a “dip in revs”. I’m sure I’ve read, on here something else, possibly temp sensor that causes dip in revs after starting.
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30th Jan 2021 8:20am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5707
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Loads of info via the search that may help, or confuse. But most pointing to VCV or camshaft sensor.
https://www.defender2.net/forum/topic73607...p;start=15 |
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30th Jan 2021 9:02am |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018
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Check the harness first:
 Click image to enlarge Click image to enlarge
Could do if after glow is not functioning?
Could be: Click image to enlarge |
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30th Jan 2021 9:28am |
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| DG123 Member Since: 29 Aug 2015 Location: North West Posts: 133
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Hi all, thanks for your help so far.
Landy Andy - reading those posts about VCV seems a similarish fault, but would failing VCV produce glow plug DTC’s? Engine is fine when it starts (and starts OK when it’s not freezing) Supacat - thanks for all that info. I’m going to have a look tomorrow at the wiring when this icy wind lets up. The DTC’s are permanent; I can clear them but once it goes through a start up, they return (even when engine is warmed up). 2012 110 XS SW Orkney Grey 2003 D2 Td5 Black [SOLD] |
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30th Jan 2021 4:50pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5707
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I was thinking that errors may show for the glow plugs because the engine is stalling during their operation. In my experience glow plugs work or they don’t. They aren’t “smart” things, but obviously sensors that control them are these days. And once a diesel is started it wouldn’t stall or alter the revs of an engine, by stopping operation of the glow plugs, again, possibly the sensors associated with them, but not the glow plugs themselves. Think of diesels that don’t have glow plugs.
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30th Jan 2021 7:23pm |
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| DG123 Member Since: 29 Aug 2015 Location: North West Posts: 133
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Cheers Landy Andy, some good points. I’ve at least got some things to work on 🤞🏻 2012 110 XS SW Orkney Grey
2003 D2 Td5 Black [SOLD] |
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30th Jan 2021 10:44pm |
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