Loss in Gas Mileage! Is it O2 sensors?
09-09-2003, 11:54 PM
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Staging Lane
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Join Date: Nov 2002
Location: Odessa, TX
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Loss in Gas Mileage! Is it O2 sensors? My car has been setting the p1133 and p1153 codes. I am wondering if having bad O2 sensors cause a loss in gas mileage? My car went from getting about 15 mpg in the city to about 11.5 mpg in the city with no change in driving habits. Not only that but it feels a little more sluggish at lower rpm's (1100 to about 1800) when daily driving.
