2000 Saturn SL2 Check Engine reports O2 Sensor

2000 SATURN SL2
80,000 MILES • 4 CYL • FWD • AUTOMATIC
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PATN03
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Symptoms:
Muffler rattling all the way up to pass. floor board.
Engine flooded little while back and changed spark plugs.
Burns Oil 4 qt at 2500 miles (assuming different issue)

Checked:
Air filter

Changed:
Spark plugs
Gas Filter

I don't think it is gas filter change but can't recall if it happened before. I was thinking of checking the exhaust line. Might be as easy as changing the O2 sensors?
Mar 30, 2009 at 2:15 PM
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BLACKOP555
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what you mean muffler rattling all the way up to pass floor board?

what seems to be the problem?


do you have gas in your oil? i mean raw gas.

black exhaust smoke? blue exhaust smoke? rotten egg smell in exhaust?
Mar 30, 2009 at 8:23 PM
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PATN03
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The Check engine keeps firing off the O2 Sensor. The car runs pretty rough compared to 1 year ago. Gas seems to burn fine with pretty normal exhuast. By burn oil I mean draining oil doesn't yield much during oil change. 8 qt burn off during 5000 miles.

Yes you can feel the vibrations from the exhaust at the floor boards.

Sorry if previous message was confusing.
Mar 30, 2009 at 8:32 PM
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BLACKOP555
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so what would you like fixed.

ask me in laymans terms
Mar 30, 2009 at 9:37 PM
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PATN03
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Check Engine light giving off O2 sensor.
Mar 30, 2009 at 9:40 PM
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BLACKOP555
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ok. what code is it throwing?

need to know that way i can tel you what it is.
Mar 30, 2009 at 9:46 PM