I have my emissions light on my dash lit and am looking to replace the o2 sensor, however I have no idea whether it's the upstream or downstream one. Any suggestions on how to check?
I was kind of tempted to just replace upstream and hope for the best, but any help would be great.
I guess also, any advise, tips or warnings before I change it? I've replaces o2 sensors before, although my last one only cost 10$ not 110, so maybe a different can or worms.
1995 850 Oxygen sensor replacement
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jblackburn
- MVS Moderator
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- Year and Model: 1998 S70 T5
- Location: Alexandria, VA
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Don't throw money at anything until you pull the codes. You can use either OBDII under your coin tray or OBDI ports under the hood.
'98 S70 T5
2016 Chevy Cruze Premier
A learning experience is one of those things that says, "You know that thing you just did? Don't do that."
mercuic: Long live the tractor motor!
2016 Chevy Cruze Premier
A learning experience is one of those things that says, "You know that thing you just did? Don't do that."
mercuic: Long live the tractor motor!
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