Question about 2001 Volkswagen Jetta TDI

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My Polo tdi is emitting a continuos cloud of white smoke, it is almost like a white cload and fairly odourless, and the cars performance does not seem to be affected. To date we have spent thousand's fixing turbo and changing the catlystic (spelling??) converters to no avail. Any advise?

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  • bridgette_ba Feb 02, 2010

    Tx for the input. What is a pcv valve - need to understand from a female's perspective - please :). Could the fuel injectors also be a problem as I have been told and these have been replaced twice before already?



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Check the pcv valve if bad it will allow engine to **** oil into the air intake and cause smoke,another things is to test the head gasket could be burning a little coolant

Posted on Feb 02, 2010

  • Bernie Goncalves Feb 02, 2010

    its a valve used at the valve cover to allow engine to vent and its connected by a hose directly to the air intake,if its bad it will allow engine to **** in oil at small amounts but enough to cause the smoke.


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Fuel (too rich)= black smoke.
Burning oil= blue smoke (bluish tint).
Burning coolant= bellows of white smoke.

Poss head gasket. Pressure test the cooling system to see if it holds pressure. if not check for the leak. Pull spark plugs to see if its wet (got coolant) in the cylinders.

Posted on Feb 03, 2010


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