bad gas millage?
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bad gas millage?
my truck used to get a combined 16 mpg about a month ago, now im lucky to get 16 on the highway alone, its now only getting 13 mpg. i have done no changes since this has happen, so i know its not caused by something i changed on the truck. when i walk by the back of the truck, to me it smells like its running alot richer then normal, im thinking the o2 could be going out but it hasnt thrown a code yet, a friend of mine said it could also be a cracked injector. do yall have any ideas of how i could test those things or if that it could be?
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#6
Join Date: Jul 2007
Location: South Georgia/East Florida
Posts: 24,686
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Wintertime is a very bad thing for gas mileage. First, you get the good old winter blend gas, then cold air makes your PCM richen the mixture and then the cold decreases the PSI of your tires, ALL of which work against fuel economy...
Keep it tuned up, watch the air in your tires and drive conservatively...
Keep it tuned up, watch the air in your tires and drive conservatively...
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