Glow plug and regen C5 mk1.5

This is the Forum for all your Citroen Technical Questions, Problems or Advice.

Moderator: RichardW

Post Reply
peterg
Posts: 18
Joined: 21 Nov 2019, 09:02
Location: Cumbria
My Cars: Current daily Citroen C5 2007 but have had a range of French cars from Alpines, BX and my first car a Visa
x 1

Glow plug and regen C5 mk1.5

Post by peterg »

The glow plugs on my 2007 2.0 HDI C5 don't work.....when it's very cold my engine chugs a bit after starting - I can live with that but a local mechanic mentioned that he didn't think the DPF regen would work without glow plugs? Is that correct? Replacement looks to be a pain to do - several hours of torture posisbly!
User avatar
GiveMeABreak
Forum Admin Team
Posts: 37005
Joined: 15 Sep 2015, 19:38
Location: West Wales
My Cars: C3 Aircross SUV HDi Flair Peperoncino Red (The Chili Hornet)
C5 X7 2.0 HDi Exclusive Mativoire Beige (The Golden Hornet)
C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
GS 1000 Cedreat Yellow
x 5646

Re: Glow plug and regen C5 mk1.5

Post by GiveMeABreak »

No not correct. The Glow plugs are sometimes used to help raise temperature post ignition for a matter of a second or 2, and are only used to aid regeneration if required - again for a second or 2, but will not stop regeneration. The engine ECU employs various strategies for raising engine temp including the switching on of consumer equipment like the heated rear screen for example to increase power requirements and the increase the engine loading.
Please Don't PM Me For Technical Help

Marc
peterg
Posts: 18
Joined: 21 Nov 2019, 09:02
Location: Cumbria
My Cars: Current daily Citroen C5 2007 but have had a range of French cars from Alpines, BX and my first car a Visa
x 1

Re: Glow plug and regen C5 mk1.5

Post by peterg »

GiveMeABreak wrote: 02 Jan 2020, 19:26 No not correct. The Glow plugs are sometimes used to help raise temperature post ignition for a matter of a second or 2, and are only used to aid regeneration if required - again for a second or 2, but will not stop regeneration. The engine ECU employs various strategies for raising engine temp including the switching on of consumer equipment like the heated rear screen for example to increase power requirements and the increase the engine loading.
awesome thanks.....no need to worry about those little blighters then!
User avatar
GiveMeABreak
Forum Admin Team
Posts: 37005
Joined: 15 Sep 2015, 19:38
Location: West Wales
My Cars: C3 Aircross SUV HDi Flair Peperoncino Red (The Chili Hornet)
C5 X7 2.0 HDi Exclusive Mativoire Beige (The Golden Hornet)
C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
GS 1000 Cedreat Yellow
x 5646

Re: Glow plug and regen C5 mk1.5

Post by GiveMeABreak »

They are not used as much for starting on HDi common rail diesel engines unlike their predecessors, but if you are having cold starting issues and a few of them are out, then it may be worth getting them replaced at some point.
Please Don't PM Me For Technical Help

Marc
Gibbo2286
(Donor 2020)
Posts: 7171
Joined: 08 Jun 2011, 18:04
Location: GL15***
My Cars: 2006 C5 2.0 Litre HDI VTR Automatic Estate.(now sold on)
Currently Renault Zoe 2014 ZE
x 2500

Re: Glow plug and regen C5 mk1.5

Post by Gibbo2286 »

There's a pretty good video here for the glow pug change job on the C5 2.0L

Last edited by myglaren on 03 Jan 2020, 11:40, edited 1 time in total.
Reason: YouTube link
Man is, by nature, a lazy beast, he does not need twice encouraging to do nothing.
Post Reply