2001 A4 1.8T turbo problem? help please!

[JDB]

I purchased this car in the summer with no problems and this is my first winter with it, it's been getting pretty cold in Pennsylvania (down in the single digits some nights). Now here's the question: When I take off on a cold morning as I accelerate my turbo would normally start to kick in a little under 3000 RPM. When I first take off it doesn't seem to kick in at all. It seems lately it takes about 15 minutes of driving until it starts kicking in with my acceleration. Is there a problem with my turbo I should have checked out? or is this just simply because of the cold? Any help would be greatly appreciated and if there is a problem I'd like to get it handled before it totally stops working.

[lovemyawdeee]

Can there be something wrong with the diverter vavle?

I'm only guessing.

[b5audi1.8t]

I live in pa too and my car runs the same in the winter as it does in the summer so im guessing u have a problem somewhere along the line.

[JDB]

thanks for the relplies, I watched the turbo gauge and noticed it goes up to 5 when this occurs, normally while accelerating it goes up to 20.