1-3-2-4 Posted December 2, 2017 Share Posted December 2, 2017 I’ve been hearing this but when my car is warming up and starts to get near operational temp the sound of the turbo sucking in air is much quieter and as well as the turbo smart plumback venting back into the intake is also less loud as in a much softer phhhs vs when still cold it sounds almost like it’s venting to atmosphere what’s the cause of that? Link to comment Share on other sites More sharing options...
Knapp Posted December 3, 2017 Share Posted December 3, 2017 Now that I think of it, I don't think I hear mine very often while warming up. I'd like to know this reason as well. I know with the si-drive that you're unable to put it into a sharp mode while under a certain temperature, so I wonder if the car is not allowing as much throttle? Link to comment Share on other sites More sharing options...
aj_mariner Posted December 3, 2017 Share Posted December 3, 2017 No rough idle? Link to comment Share on other sites More sharing options...
1-3-2-4 Posted December 3, 2017 Author Share Posted December 3, 2017 Well now I have it after I took my car to monroe to see if they can get a bolt off.. but before that and the sound difference between cold and warm no. Link to comment Share on other sites More sharing options...
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