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Old 07-14-2013, 04:53 PM
 
Location: Northeast Tennessee
7,305 posts, read 28,366,381 times
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I would check the air filter immediately and if you have never changed it, you can about bet it needs it badly.
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Old 07-14-2013, 04:56 PM
 
17,798 posts, read 18,114,034 times
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Quote:
Originally Posted by xraychick01 View Post
I haven't checked the air filter, and I don't think I've ever changed it. I will give it a look.

Would a problem with the O2 sensors cause the check engine light or a diagnostic message to display because nothing's popped up.
Wow! 4 years old car and you haven't checked or changed the air filter! You should check it at least once a year. I live in a very dusty dirty area (gravel road) so I change my filter after New Years Eve. If I didn't live here, I'd change it every 12,000 miles but still inspect every year. Get a damp wash cloth and a bucket of clean water. You'll need to reall wipe out that filter compartment.
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Old 07-14-2013, 04:58 PM
 
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Mechanics, do you think it possible the filter could have come apart and gotten sucked into the intake line?
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Old 07-14-2013, 05:47 PM
 
Location: San Antonio, Tx
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My wife had a 2000 Celica that at 70,000 miles lost all sorts of power and gas mileage got even worse. It was the O2 sensors.

I had a 2002 Chevy Monte Carlo SS that at 36000 miles lost all sorts of power and if you stomped on the gas it went "duh duh duh duh" and ZERO power. It was a clogged catalytic converter.
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Old 07-14-2013, 05:52 PM
 
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Does the Check Engine light come on when you first start the car? If not, then it isn't working.
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Old 07-14-2013, 05:57 PM
 
Location: Saint Louis, MO
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yeh, with the key in the on position but the car no running the check engine light should show up...it should then go off after the vehicle is started.

Definitely check that air filter out, my wife had an 05' Grand Am 2.2L Ecotec engine, and that car was notoriously picky about how clean the filter was. If the filter got dirty, you'd have all types of random sputtering issues, often feeling like that wanted to stall. New filter always seemed to fix that problem. We never had any fuel economy issues with the car however, even when the filters were bad. You said you're doing lots of short legs, that can cause terrible fuel economy, but I still wouldn't expect it to be in the low teens...unless you start the car, drive up the street and turn it off...then drive back an hour later, and repeat until the days over...or if the car is spending lots of time idling, that will effect your fuel economy. Remember, if the car isn't moving, it's still using fuel, you're just not going anywhere....so, you're getting less than zero miles for every gallon of fuel you use...do that enough, and it will skew your numbers considerably!
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Old 07-14-2013, 06:14 PM
 
2,341 posts, read 12,108,472 times
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Quote:
Originally Posted by victimofGM View Post
Mechanics, do you think it possible the filter could have come apart and gotten sucked into the intake line?
Highly unlikely. I've personally never seen that happen.

To the OP... Yep, change your air filter. Look & see if there's anything bizarre going on in the air intake. I've seen a mouse nest in those things, now and then.

Your next most likely culprits are a bad O2 Sensor, and possibly a faulty MAF Sensor. But those will have to be diagnosed by a mechanic.
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Old 07-14-2013, 06:28 PM
 
15,905 posts, read 20,918,857 times
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It sounds like proper routine maintainence has not been done.

At 60K miles things like air filter, fuel filter and such need to be replaced. Spark plugs are usually good to 100k these days.

If it was a misfire, the check engine light would be on.
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Old 07-14-2013, 06:35 PM
 
Location: In an indoor space
7,685 posts, read 6,268,058 times
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Old 07-14-2013, 06:38 PM
 
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Sadly, I've seen such a thing plenty of times before. I have a Mustang I drive maybe 100 miles per year. Every spring, I gotta search under the hood for nests as mice tend to love the air boxes
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