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Oxygen sensor

(1990 Jeep Wrangler)
in Victorville, CA on May 26, 2011
need to know how to remove and replace
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Popular Answer
Most oxygen sensors are a 7/8" wrench, or a O2 sensor wrench. you just need to unplug the senor wire and remove as you would any other threaded nut or bolt. Lefty loosy, righty tighty. then plug the new one in, you may need to reset the code with a scan tool if it doesn't reset by itself. Local auto parts store will do that free, if you don't have one.
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