Gawd I can't remember, whichever mode that the O2 sensor is monitored by
the SBEC should be the one that gives the best mileage and performance.
Probably why mileage goes to hell in the winter when the engine takes
awhile to get warm.
Larry Elliott
On Wed, 30 Oct 1996 Kukukooter@aol.com wrote:
> I did get it backwards, I just know it runs like it's pulling a
> trailer full of bricks. Wouldn't you think that the best gas mileage would
> be during closed-loop though Larry, due to a better monitored air/ fuel
> mixture.instead
> of the SBEC's warm up spec?
> Kukukooter
>
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