Quote:
Originally Posted by canis
If that was so, the valve would need to be electronically controlled and infinately variable. It isn't. It's either open or closed with no in-between, vacuum actuated - too brutal for what you describe.
The fuelling will correct itself because the EMS will detect it on the lambda sensor, and make adjustment accordingly. I don't doubt there is a prefered temperature. However I don't believe this brutal on/off of engine pre-heated air is the fix.
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The lambda sensor can only make tiny corrections , it could go out of range , who knows ... Drivability will be affected in cold weather . It is there for a reason ...