Quote:
Originally Posted by Allch Chcar
It's +0.1 mpg. And it's just for the idle speed.
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My interpretation: .1 of the 1 mpg may be from the idle speed reduction.
But the noise cancellation is also applied to counter frequencies caused by lower RPM torque converter lockup while underway, so a
total of 1 mpg seems plausible.
From ABG:
Quote:
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and by lowering the speeds at which the torque converter locks up.
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I can't find the official Chevrolet source to confirm, but the majority of references to the system quote the "1 mpg" change.