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#1
08-30-2007, 02:53 PM
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Poor gas mileage
My girlfriend bought a 2002 Sunfire 2.2 with 32,000 miles. The gas mileage is only about 20mpg. Her old 96 Sunfire got about 32. I replaced the spark plugs, air and fuel filters and added fuel injector cleaner to the gas. So far no change. No check engine light. Anything else I could check?
Steve 
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#2
08-30-2007, 04:47 PM
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Re: Poor gas mileage
It is possible that the O2 sensor is bad and causing it to run rich. With only 32K miles this is a long shot but it is possible. Also, you may want to try a different brand of fuel as sometimes the different additives in the fuel will promote fuel mileage. Good Luck!
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#3
10-23-2007, 03:35 PM
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Re: Poor gas mileage
Check the tires. I got shitty milage and that was the culprit for me
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#4
10-24-2007, 02:46 AM
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Re: Poor gas mileage
is that an ecotec?
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#5
12-12-2007, 10:10 PM
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Re: Poor gas mileage
02 are still the SFI they didn't switch to the ecotec till 03 i believe.
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