I have a 01 audi A4 1.8T my porblem is when i start my car it sounds like a jet. It well whin for about 2 min. and then go away the car run's fine but the noise is anoying.Does any one have any idea what it could be

Its the sai injection. This is for emissions and has nothing to do with this section. These types of question need to go in the B5 section in the A4 forum.

Your car is fine and its normal

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