Exhaust Smoke

[MrAlan]

I am occasionally getting a bit of exhaust smoke when starting the car. Any idea's on what the problem would be?

[pl0x]

Do you let it warm up?

could be that pistons/piston rings haven't expanded and sealed yet or not sealing as good as it use

my car pretty much spits oil/carbon out the exhuast on start up and if i give it some revs

like i still have black marks on the concrete from months ago lol (i have a dumpy)

[MrAlan]

it's fine once I start driving, just on ignition if spurts a nice big cloud of smoke out the back. happens about 75% of the time.

[pl0x]

 MrAlan said:

it's fine once I start driving, just on ignition if spurts a nice big cloud of smoke out the back. happens about 75% of the time.

What year/model car you got? single or twin turbo? how many kms on engine?

also what colour is the smoke?

[MrAlan]

oh yeah sorry, guess that info would be useful. 2000 legacy blitzen, 98,000km and the colour of the smoke is mostly a light gray colour.

[pl0x]

 MrAlan said:

oh yeah sorry, guess that info would be useful. 2000 legacy blitzen, 98,000km and the colour of the smoke is mostly a light gray colour.

light gray im guessing is classed as white smoke

cant rember

white=what?

blue=oil?

mind blank....

[Guest keltik]

I get a hearty blat of brown smog when i start mine up. As far as i remember

white = steam

grey = lean

brown/black = rich

blue = oil

[Guest]

from what i have been told, experienced

thick white - Goodbye turbo

grey - fuel Fumes/ carbon - Dont forget alot of fuel is poured in at start up

blue - oil leaking into cylinders

redish brown - slight rust buildup - you maybe drivibng like a grandma, or the car has been sitting for a while

[G-unit]

 RS_Marcus said:

from what i have been told, experienced

thick white - Goodbye turbo

grey - fuel Fumes/ carbon - Dont forget alot of fuel is poured in at start up

blue - oil leaking into cylinders

redish brown - slight rust buildup - you maybe drivibng like a grandma, or the car has been sitting for a while

yea i get some smoke/carbon when i boost it coz i drive nana atleast 98% of the time haha

[Guest]

Smoke on start up is just condensation. It could only be a problem if it continues after the car has warmed up. I wouldnt worry about it.

What your talking about is condensation, it can be influenced by the weather, temperature, how often you drive and your muffler design.

[MrAlan]

thanks for the input, since it doesn't smoke on boost, or after i've started driving i'm to assume it's nothing too serious. I'll make mention of it when my cars next up for service.

[Guest]

i get a little puff of white smoke when i turn car on 2. Guessing it not much as has never caused any problems an just put new turbo in an still does it. Still annoying though when u in a busy carpark an ur car spits out a smoke cloud haha

[Guest]

 Nickonz said:

i get a little puff of white smoke when i turn car on 2. Guessing it not much as has never caused any problems an just put new turbo in an still does it. Still annoying though when u in a busy carpark an ur car spits out a smoke cloud haha

my old TT wagon done that too...I was thinking my primary turbo was stuffed...actually it was because of the grinding noise it made when traveling on the motorway..glad I sold the POS to some guy that thought all that matters is it has a BOV hahahahaaaaa

[THUNDA]

piston rings worn, oil leaks past the pison rings and acumulates while your car is off and stationary, then when you turn it on it burns that oil and the heat produced by youre engine expands the rings enough to make a good seal

[Guest DVNT]

white is normally condensation but if it does it after the engines warmed up theres water getting in there somewhere.

Mine blows blue smoke on startup from cold but thats just a reminder that i might need an oil change, try to change it around 5000kms but depends on how busy i am, starts to smoke around 7-8000kms.

[G-unit]

mine doesnt smoke when cold just condensation like normal as its getting cold @ 5am