Polo GTI 1.8T Smokes On Idle When Cold

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Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Mon Dec 08, 2014 11:39 am

Hi guys

My wife's Polo GTI smokes when the car idles & when it's cold.It's white smoke,so it's oil & you can smell it.As you the drive the car the smoking stops.
Could it be turbo seals that's messed up?
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by pyro-zn » Mon Dec 08, 2014 1:31 pm

On cold? 100% sure?

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Uncle Nunda » Mon Dec 08, 2014 1:34 pm

look like someone deleted my comments here hmmmm

like i said before Larry also had this issue and it turned out to be the turbo seals also if something has cracked on the manifold
as these cars are prone for that
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Mon Dec 08, 2014 1:37 pm

pyro-zn wrote:On cold? 100% sure?
Yes or if the car idles too long
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Mon Dec 08, 2014 1:38 pm

Uncle Nunda wrote:look like someone deleted my comments here hmmmm

like i said before Larry also had this issue and it turned out to be the turbo seals also if something has cracked on the manifold
as these cars are prone for that
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by shan00ble » Sat Dec 13, 2014 9:00 pm

As far as I know white smoke is water or coolant. Blueish smoke is oil usually.

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Mon Dec 15, 2014 10:46 pm

Won't be valve stem seals, otherwise it would smoke everytime a person lifts your foot from the petrol.
Thanks for all the comments
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Sun Oct 02, 2016 9:02 pm

Hi guys I'm new here I have a polo gti 9n about three months back I put a new turbo in car drove fine no smoking until two weeks ago car started smoking again only on idle drive the car no smoke sit in traffic smokes up car has a downpipe software n no other mods
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Sun Oct 02, 2016 9:47 pm

Change the PRV valve, changed that on our car & the smoking stopped

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Sun Oct 02, 2016 10:38 pm

Any idea where it's fits
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Sun Oct 02, 2016 10:40 pm

It sits on the top right hand corner of the valve cover on the turbo inlet pipe , it looks like a hockey puck.

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Sun Oct 02, 2016 10:57 pm

When you change yours did it stop smoking straight away
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Sun Oct 02, 2016 11:05 pm

Yes

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Sun Oct 02, 2016 11:06 pm

& it's not expensive +-R350

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Sun Oct 02, 2016 11:17 pm

Thank you will buy 1 2m n try it
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Mon Oct 03, 2016 6:35 pm

I put a new pvc valve car still smokes my old pcv had sum oil in but now so bad will a faulty coolant temp switch n thermostat cause the car to smoke
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by panic-mechanic » Mon Oct 03, 2016 7:27 pm

the short answer is yes it could be the turbo.
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Mon Oct 03, 2016 10:06 pm

Turbo is like 3 months old very strange
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Herschel » Mon Oct 03, 2016 10:27 pm

Did you replace this?

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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Kevin vw 1.8t » Tue Oct 04, 2016 8:49 am

yes replace that but still smokes but + I open up the intercooler pipes no oil
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Silver Srfer » Thu Dec 08, 2016 9:17 am

Sorry for the hijack, but I seem to have the same issue.
When the car is cold, there is no smoke, but as soon as I'm standing too long in traffic, it starts smoking quite a bit.

Not sure where to start? PVC, Turbo, Cooler?
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by JasonCPT » Thu Dec 08, 2016 9:22 am

Silver Srfer wrote:Sorry for the hijack, but I seem to have the same issue.
When the car is cold, there is no smoke, but as soon as I'm standing too long in traffic, it starts smoking quite a bit.

Not sure where to start? PVC, Turbo, Cooler?
Check PCV, mine did the same and went away when I changed my PCV (it also had a farkoff big hole in it).

I don't have any smoke now besides a blue puff on coldstart startup, which is turbo.
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by Silver Srfer » Thu Dec 08, 2016 9:28 am

JasonCPT wrote:
Silver Srfer wrote:Sorry for the hijack, but I seem to have the same issue.
When the car is cold, there is no smoke, but as soon as I'm standing too long in traffic, it starts smoking quite a bit.

Not sure where to start? PVC, Turbo, Cooler?
Check PCV, mine did the same and went away when I changed my PCV (it also had a farkoff big hole in it).

I don't have any smoke now besides a blue puff on coldstart startup, which is turbo.
Thanks man, will check it out this weekend and replace it
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by JasonCPT » Thu Dec 08, 2016 9:30 am

Silver Srfer wrote:
JasonCPT wrote:
Silver Srfer wrote:Sorry for the hijack, but I seem to have the same issue.
When the car is cold, there is no smoke, but as soon as I'm standing too long in traffic, it starts smoking quite a bit.

Not sure where to start? PVC, Turbo, Cooler?
Check PCV, mine did the same and went away when I changed my PCV (it also had a farkoff big hole in it).

I don't have any smoke now besides a blue puff on coldstart startup, which is turbo.
Thanks man, will check it out this weekend and replace it
Its really cheap too, got the parts from GW.
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Re: Polo GTI 1.8T Smokes On Idle When Cold

Post by P1LAYA-ZN » Thu Dec 08, 2016 1:57 pm

Good day gents,

I also have a similar issue on my A3 1.8T 8L. Car only smokes on idle when warm, eg. sitting at a robo, then a puff of smoke when taking off, but under normal driving, no smoke and no problems with boost either. I did notice a split in the hose from the Hockey puck, then another hose also split. I think it could be related to the PCV system but I had changed the PCV last year when I first started observing this smoking. Could it be the PRV/Hockey puck valve that is causing this smoking issue ? If so, how can you test this valve ? Also, if it is PCV related, is fitting a catch can / PCV delete the solution to the problem ? Are there kits available for the 1.8T's ?

Any advice will be greatly appreciated.

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