Is my oxygen sensor shot?
06-01-2003, 07:37 PM
#2
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Don't worry about #2. It'* just a catalytic sniffer. Hard to tell if an O2 is bad. Most obvious problem is poor mileage, usually at over 50-60k on the sensor. If it'* been that long, change it.
06-01-2003, 10:13 PM
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I had really poor mileage, about 230-240miles to the tank. It was never that good to begin with but after I replaced it I got about 30 and sometimes 40 more miles to the tank. It'* pretty cheap from http://www.gmpartsdirect.com, I think $42 but it'* been a while since I got it. Very easy to change.
06-01-2003, 10:39 PM
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Napa is the cheapest place I found for one. They want 70$. (Keep in mind, this is in Edmonton). I don't really want to change this out unless I need to , for that price. I bought the car 3 months ago, so I don't know when or if the sensor has been changed.
06-01-2003, 10:49 PM
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so does that mean mines shot if i only get like 250 a tank? on my 92 ssei...and thats with me not beating on it...i think im at like 180 right now and i have a little over 1/4 tank...
06-01-2003, 10:59 PM
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so does that mean mines shot if i only get like 250 a tank? on my 92 ssei...and thats with me not beating on it...i think im at like 180 right now and i have a little over 1/4 tank...merlin
I changed my fuel filter, PCV valve, and O2 sensor at the same time, which also helped my mileage.
06-01-2003, 11:11 PM
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Honestly, I don't have much of a clue. 
I just know where it is and how to change it. It costs less than $3 and you can change it in less than 3 minutes. And if it rattles when you shake it, it should be good. Mine rattled but I changed it anyway. But you have the */C so yours may be in a different location than mine. I'll check into it and let you know where it is unless someone else answers first. 
I just know where it is and how to change it. It costs less than $3 and you can change it in less than 3 minutes. And if it rattles when you shake it, it should be good. Mine rattled but I changed it anyway. But you have the */C so yours may be in a different location than mine. I'll check into it and let you know where it is unless someone else answers first.