Mike Norton

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    Mike Norton replied to the thread The Official Jeep Wrangler JK Oxygen (O2) Sensor Thread.

    You are the best information on o2 sensor I have found . Thank you I tried Bosch - didn't work! I opted to buy OEM Mopar ( expensive )...

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    Yesterday at 6:26 PM
  • M

    Mike Norton reacted to Chris's post in the thread The Official Jeep Wrangler JK Oxygen (O2) Sensor Thread with Like.

    What does upstream and downstream mean? Simple, upstream means the O2 sensor is "upstream" of the catalytic convertors, meaning before...

    Yesterday at 6:19 PM

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