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mpg vs temperature
Posted by JayHirsh [Email] (more from JayHirsh) on Mon, 4 Dec 2006 20:04:01
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The recent cold frontal passage gave me the opportunity to check highway mpg as a function of temperature. Both runs on the same highway at 69 mph by cruise control, with fully heated engine, monitoring by freshly cleared SID over ~50 miles:
69F: 33.5 mpg
39F: 30.5 mpg
This is a larger change than I had expected! Does this indicate any possible problems, or is this just lowered combustion efficiency at lower temperature?
2001 5 spd 9-3SE, 76K.
Jay
posted by 76.4.85...
Posts in this Thread:
- mpg vs temperature, JayHirsh, Mon, 4 Dec 2006 20:04:01 <-- Viewing This Message
- Re: mpg vs temperature, SeeVTSaab, Wed, 6 Dec 2006 06:24:44
- My winter vs summer mileage changes very little....., REM in Seattle, Tue, 5 Dec 2006 20:29:59
- Re: mpg vs temperature, kevin s, Tue, 5 Dec 2006 09:33:38
- Air speed?, Sarunas
, Tue, 5 Dec 2006 05:58:10 - Re: mpg vs temperature, Dean, Mon, 4 Dec 2006 20:55:46
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