cold weather - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 10-09-2009, 04:13 AM Thread Starter
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cold weather

does cold weather make your mpgs go down ?
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post #2 of 3 Old 10-09-2009, 04:20 AM
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i believe its an additive that prevents the fuel from gelling. resulting in a little loss of mileage. but I never heard because of the actually weather affecting it

-Evan

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tuned by Eric
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Originally Posted by shu873 View Post
Yeah, but your trucks a freak of nature...
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post #3 of 3 Old 10-10-2009, 03:23 AM
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Yes, it can. Partly because of the fuel and partly because of more idle time.

Another theory of mine is that the colder air keeps the engine from warming as quickly, mostly because the incoming air charge is colder and diesels use lots of air. Therefore, either the computer is allowing for more fuel or the engine uses more fuel to keep warm. Might be BS...just some of the ramblings in my mind.

As for an actual reason, I don't have it...these are just my guesses.

2005 F250 4x4 6.0L PSD, 6 Speed hand shaker
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SCT xCal2 with DJ's Tunes, MBRP Turbo-back Offroad exhaust...bye, bye kitty and muffler.

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