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Author Topic: White smoke on cold start up  (Read 5827 times)

Offline orinocoe

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  • Posts: 2
  • Thanked: 0
  • Model: S-Max
  • Spec: 07 tdci 140 Titani
  • Region: London
White smoke on cold start up
« on: January 20, 2014, 07:55:53 PM »
Hey I have a 2007 2.0 TDCI SMax, it has done 74,000 miles and when warm runs a treat, but on cold start up she runs like a bag of nails for a prob 10-15 seconds and buckets of white smoke comes out the exhaust.

I have noticed that the "outside air" dash read out is a little ambitious today it was reading 22 degrees with frost on the ground!! also what ever the outside temperature seems to be the glow plug light only flicks on and straight back off again when the ignition is switched on.

I am hoping some one hear has had the same issue and give some direction that i can look, I am fairly handy with the spanners but I am stumped into which way to attack this issue first.   

Offline gregers

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  • Posts: 1712
  • Thanked: 12
  • Model: Transporter
  • Spec: vw t28 camper
  • First Name: greg
  • Region: East Midlands
  • Country: United Kingdom
Re: White smoke on cold start up
« Reply #1 on: January 20, 2014, 08:34:08 PM »
welcome womble, welcome5  LOL

dont worry about the glow plug light,think thats a red herring to you.from what i understand and read and have the same thing on mine,i dont even see the thing light up.
apparently it flicks on for a micro second.

im thinking the temp problem could well be a sensor??
as it defo wernt 22 degrees today, ???location im afraid i cant help you with.
vw t5 camper van.
reality is for people with no imagination
rip dad 21/12/10
rip mum 3/5/16
rip bruv 11/5/17
The FordMPV.com Forum - The free forum for questions and answers relating to the Ford Galaxy, S-Max and C-Max

Offline orinocoe

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  • Posts: 2
  • Thanked: 0
  • Model: S-Max
  • Spec: 07 tdci 140 Titani
  • Region: London
Re: White smoke on cold start up
« Reply #2 on: January 20, 2014, 09:57:27 PM »
Cheers, well I know the ambient temperature sensor is behind the front bumper up on the passenger side, I have contemplated changing it but am not sure it will help with the white smoke and rough idle on cold start up issue which is my main concern currently..... does your car start fine when cold with out the glow plug light staying on then?

Offline gregers

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  • Posts: 1712
  • Thanked: 12
  • Model: Transporter
  • Spec: vw t28 camper
  • First Name: greg
  • Region: East Midlands
  • Country: United Kingdom
Re: White smoke on cold start up
« Reply #3 on: January 20, 2014, 11:01:08 PM »
mine winds over a bit on 1st starting,but im thinking its due a new battery.no white smoke that i know of.
maybe the glow plugs need looking at?
vw t5 camper van.
reality is for people with no imagination
rip dad 21/12/10
rip mum 3/5/16
rip bruv 11/5/17
The FordMPV.com Forum - The free forum for questions and answers relating to the Ford Galaxy, S-Max and C-Max

Offline inky38

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  • Posts: 5
  • Thanked: 0
  • Model: S-Max
  • Spec: 2007 1.8 tdci
  • Region: East Midlands
Re: White smoke on cold start up
« Reply #4 on: January 20, 2014, 11:21:32 PM »
Definitely the glow plugs in my opinion.

I had this problem a while back.  Glow plug light flashed on for a second.   When it eventually started there was a plume of white smoke  (unburnt diesel)

When the mechanic tested the glow plugs he said none of them were actually working.

When they were replaced, car started straight away and no white smoke.

Oh and the temperature sensor always lies to me for the first 5 minutes of a journey  (initially reads high but soon settles down)


Offline SirDavidAlhambra

  • Sir David Alhambra.
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  • Posts: 354
  • Thanked: 3
  • Model: Alhambra Mk2 Auto
  • Spec: 2006 1.9 Tdi auto
  • First Name: Dave
  • Region: South East
  • Country: United Kingdom
Re: White smoke on cold start up
« Reply #5 on: July 06, 2019, 04:47:37 PM »
Yeah what you need are new glow plugs I think
I drive a Seat Alhambra 1.9Tdi which has 115bhp and an automatic gearbox.

I am happy to help you with all your questions. I am not a qualified mechanic but seem to be better at fixing my car than even the most experienced garages.

I have lots of friends here and very much enjoy talking with you all.

Always remember, a motor car is a serious tool and should be treated with respect. Put your safety first, always.

 

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