Decreasing gas mileage
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Decreasing gas mileage - 2/17/2007 9:26:25 PM
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slotcanyoneer
Posts: 3
Joined: 2/17/2007
Status: offline
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I own a 2005 Chevy Cobalt and I've had it since it was brand new. It has the 2.2 liter engine and about 23,000 miles on it. I have been noticing that my fuel economy has been gradually going down in the past few months. According to the digital fuel economy gauge it's gone from over 29 mpg to a little over 25 mpg and it is still going down. Are these gauges accurate? I try to keep my tires at the proper air pressure, change my oil every 3k, do all my maintenance,etc. I noticed it started going down after I had some work done to it(bad wheel bearing and brake pulsation). With the low mileage on it I doubt it needs a tune up. I was wondering if a clogged air filter or fuel filter may be causing this problem although I checked my air filter and it looks fine. Any input on this problem?
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RE: Decreasing gas mileage - 2/6/2008 10:41:10 PM
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Razzy
Posts: 2
Joined: 2/6/2008
Status: offline
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With 23,000 miles on it, a tune up couldn't hurt. When was the last time you had an oil change?
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