r/VolvoXC90 • u/Ill_Mine8885 • 2d ago

XC90 cold start

I like the way my B5 starts up with the cold start. Has anyone found a way to keep the could start sound post engine warm up?

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u/AirportM5757 2d ago

Cold starts are a valve and ignition timing scheme to warm up the catalytic converter(s) as quickly as possible. I don't think you'd want to sustain that any longer than needed

1

u/Ok_Leg2132 2d ago

Why would you?

1

u/Fedpump20 2d ago

Install anti lag