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Dense white smoke coming into the car

Started by maysani, January 22, 2014, 04:46:17 PM

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Dense white smoke coming into the car
This is the second time it happened in the last two month and in particular when I am driving on the motorway.  It is coming from between the rear and the front passenger seats where the heat booster is. it smells like unburned diesel
What is the likely cause and how can it be remedied?

Sounds like a booster heater not combusting properly, what age of Galaxy do you have, and do you know what model of booster heater it has fitted?
Always learning..... Often by mistakes!

i had this on my old mk2,i ended up having a new unit fitted under sale of goods act.but thats another story.

hopefully chris will be able to add info for you.
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the booster heater air intake pipe fits into the chassis member fumes are finding there way into the car.
It would seem like the combustion fan is not blowing or the exhaust is blocked.
Have you run a scan on the heater (VCDS)
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.

Guys, many thanks for the reply,
The car is galaxy 1.9 TDI 2003, I reconditioned the booster heater last summer. I replaced the glow plug and the screen.
the model is the one with torx head screws
this is what  surprises me, it happened when the engine hot not cold which mean the booster heater is not running or is it   

I have not run a scan on the heater as I do not know where to start


Have you heard the heater running recently?

You can disable the heater by removing fuse 12 if this stops the fumes then you no where to look.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.

The heater is working, in fact it start few second after I start the car and for short journeys,  it stays on for few second after I switch of the engine

A couple of questions

Was the car low on fuel when the smoking starts

If you start the car and just leave running does the heater start and run continually without stopping till the car is up to temperature, with no smoke
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.

Yes,  the car is low on the fuel, the gauge is half way between zero an Ã,¼ tank

Yes, the heater start and run continually without stopping till the car is up to temperature, with no smoke when I start the car.


Keep a check on it once you have more fuel in the tank you may have starved it from fuel which would upset the running of the heater.
2016 Vauxhall Insignia Elite Nav in White 2.0CDTI Manual.
2023 VW Transporter T6.1 SE In Silver 2.9TDI 150PS. 7 Speed DSG Wheelchair accessible day vehicle.


With VCDS lite (full version) need a code clearing or want to scan for faults in the north kent area, PM me. All for a pint of Strongbow.

It sounds like it could be real dangerous, keep the windows down and make sure you or your passengers donââ,¬â,,¢t inhale any smoke
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.