O2 Sensor Did It
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From: Montevideo, MN MWBF '05, '06, '07 WCBF '06 '07 survivor
Others beside myself have looked at my O2 scans and it is working perfectly. Like Smellbird said, I don't want to risk screwing up my mileage. Who knows, maybe it would go up a little more with a new one. But, I'll leave well enough alone. 
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From: Bad Axe,MI.
Originally Posted by sonoma_zr2
Others beside myself have looked at my O2 scans and it is working perfectly. Like Smellbird said, I don't want to risk screwing up my mileage. Who knows, maybe it would go up a little more with a new one. But, I'll leave well enough alone.
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Originally Posted by daman
I,m just going by my own experience, i just changed mine yesterday(143k, and i noticed on my scan tool(cp9145) it was showing inconsistencies(staying on rich longer than lean instead of cycleing evenly between the two), a sighn of a bad O2 senser. so if mine at 143k is bad i'd bet one at 200k is't much better. 
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Originally Posted by daman
Time for a new one JR. 
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Re: O2 Sensor Did It
Originally Posted by fantastic88
After replacing the o2 sensor I have gone from 12mpg city/ 15 highway to 19mpg city/ 29 highway. The old O2 didn't look so bad but it smelled like oil. I think before I replaced my PCV the oil burning may have damaged it, huh?
The old O2 didn't look so bad but it smelled like oil. I think before I replaced my PCV the oil burning may have damaged it, huh?__________________
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From: Bad Axe,MI.
Re: O2 Sensor Did It
Originally Posted by jr's3800
Originally Posted by fantastic88
After replacing the o2 sensor I have gone from 12mpg city/ 15 highway to 19mpg city/ 29 highway. The old O2 didn't look so bad but it smelled like oil. I think before I replaced my PCV the oil burning may have damaged it, huh?
The old O2 didn't look so bad but it smelled like oil. I think before I replaced my PCV the oil burning may have damaged it, huh?
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From: Las Cruces, NM
Re: O2 Sensor Did It
Originally Posted by daman
Originally Posted by jr's3800
Originally Posted by fantastic88
After replacing the o2 sensor I have gone from 12mpg city/ 15 highway to 19mpg city/ 29 highway. The old O2 didn't look so bad but it smelled like oil. I think before I replaced my PCV the oil burning may have damaged it, huh?
The old O2 didn't look so bad but it smelled like oil. I think before I replaced my PCV the oil burning may have damaged it, huh?
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