SES light- low O2 sensor reading.
SES light- low O2 sensor reading. Hey everyone. I just bought my 98 Z28 w/ 39k miles a few days ago. Its throwing a code that says "low o2 sensor reading bank 1 sensor 1". I've reset the light a few times just because I hate the light but here's my question: When the light comes back on its obviously after I have been driving a little ways, twice it has come back on at full throttle/near full throttle and once it has come back on while i was just cruising gently. Is this just a bad sensor, or is something really wrong since twice it came on at basically WOT?? Thanks for any help.
TECH Resident
Joined: Aug 2003
Posts: 970
Likes: 4
From: England UK
Originally Posted by 97MysticZ
Hey everyone. I just bought my 98 Z28 w/ 39k miles a few days ago. Its throwing a code that says "low o2 sensor reading bank 1 sensor 1". I've reset the light a few times just because I hate the light but here's my question: When the light comes back on its obviously after I have been driving a little ways, twice it has come back on at full throttle/near full throttle and once it has come back on while i was just cruising gently. Is this just a bad sensor, or is something really wrong since twice it came on at basically WOT?? Thanks for any help.
TECH Senior Member
Joined: Nov 2001
Posts: 7,036
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From: Lake Zurich, IL
since the front O2s are an emissions control device... I wonder if they can be replaced under warranty? (the 8 year/80k fed warrantything)
Not sure if they'd consider O2s normal wear though....
Not sure if they'd consider O2s normal wear though....
12 Second Club
iTrader: (10)
Joined: Sep 2005
Posts: 948
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From: From Ohio now in that state up north
I wouldent replace them right off i would swap them first and see if the code follows the sensor. Then check for exaust leaks if the code is on that side still.
