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Old 12-10-2007   #4
Andrew7dg
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Join Date: Mar 2006
Location: St. Paul
Drives: Currently Mitsu-less
Posts: 851
Re: Cold weather = bad gas mileage?

I noticed the change also

Think about what the computer reads and adjusts for.

Coolent temperature sensor.
When they go bad, car doesn't want to start. Why?

Thats because the computer adjust the fuel ratio when it is cold so it will start and stay running.

It could be that you are buring a lot of fuel before the engine is warmed up and that is giving you high gas consumption

I am guessing cold intake temps play a factor in this also.
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