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Gas Milege dropping?


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It's normal to have lower MPG in winter. Colder air is denser, so your engine will use more fuel and run a little rich until it warms up. It will also cause more drag. And if you forget to check your tire pressures, that won't help either.

http://www.inct.net/~autotips/mpg_cw.htm

http://www.metrompg.com/posts/winter-mpg.htm

Friends don't let friends drink cheap beer.
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It's normal to have lower MPG in winter. Colder air is denser, so your engine will use more fuel and run a little rich until it warms up. It will also cause more drag. And if you forget to check your tire pressures, that won't help either.

http://www.inct.net/~autotips/mpg_cw.htm

http://www.metrompg.com/posts/winter-mpg.htm

 

oh thx for you're reply, this information really helps! :icon_bigg

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Just make sure your cooling fan is not on permanently (see warranty forum section).. That would mean your car is running cool and rich all the time :icon_frow

 

Or if your thermostat is sticking or not fully closing. Had that problem in my Grand Am, was only getting 16-17mpg. Only way engine would get to normal temps is if you sat in traffic for a while. Had the opposite problem in my previous car, '88 Bonneville. Temp guage almost went into overheat range before the thermostat opened.

 

Using a lower temp thermostat is a modern engine isn't a good idea. Hotter, within spec of course, is actually better.

Friends don't let friends drink cheap beer.
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