Before you go making modifications, just remember why the throttle body is heated in the first place. When there is a pressure drop, cooling takes place. If you are dealing with cold, damp air to begin with, it is likely that it will freeze up the throttle body. Keep in mind that you are working with a drive-by-wire throttle body - There is NO direct cable from the accelerator pedal to the throttle body. So, if the throttle body freezes, you are relying on the little electric servo-motor on the throttle body to be strong enough to break the ice. You too can be on the news with an unattended acceleration accident.
New cars no longer have warm-up tubes from the exhaust manifolds to the air cleaners to prevent icing. The heated throttle body is the replacement.
Of course, if you live in a nice warm, dry climate and never intend to travel to or drive in wintry weather - You have nothing to worry about.
Klaus
"God made some men big and some men small, but Sam Colt made them all equal."
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