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    Help with O2 codes

    Well it's been awhile. Purchased 2 rear O2 sensors and tried to get them in. But for a variety of reasons (coupled between weakness and the rust on the exhaust system) I could not get them in. Took the KJ in for some work and had my local mechanic install the O2 sensors. As expected the...
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    Help with O2 codes

    Ok, so I bought a reader that does live display. Actually pretty neat. Following is a link to a small video I made showing my O2 Sensor voltages in action over about a 90 second period. Not sure if this is enough to actually tell anything or not. https://youtu.be/eSTcXhnQnfo I will say...
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    Help with O2 codes

    (Reposting this in the KJ forum - inadvertently posted in KK originally) Bought my KJ used 2 weeks ago. Within hours of the purchase got a CEL. Checked the codes a couple of days later and had both downstream O2 sensors showing high voltage (low? can't remember). About a week later...
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    Help with O2 codes

    Bought my KJ used 2 weeks ago. Within hours of the purchase got a CEL. Checked the codes a couple of days later and had both downstream O2 sensors showing high voltage (low? can't remember). About a week later purchased a scanner and cleared the codes. Drove about 10 minutes and CEL back...
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    Updated Southern Members List

    Don - NE Florida
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    What did you do to your jeep today?

    Installed my VHF ham radio and antenna today. Temp install, need to get the microphone cord extended before final placement in cargo space to rear. Tried to troubleshoot my fog lights. I hear a relay clicking when the switch is pulled out on the light control, but no joy. I'm starting to...
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    What did you do to your jeep today?

    Bought it :gr_grin:
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    Greetings

    Purchased 2004 KJ today. Back in a Jeep again after several years. Had a 2004 TJ Rubicon that I had to let go for a variety of reasons. Purchased this one already lifted. Still working through what it has available on it. Primary purpose is daily driver (as was my Rubicon) with some light...
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