Question about 2000 Hyundai Accent

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Ck eng light

The test shows oxygen sensor. how do you change it

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You need an oxygen sensor socket - it's a socket with a cut down the side that allows you to remove the sensor without damaging the wires. You'd do yourself a favor by spraying the sensor down with PB Blaster or another penetrating oil to help it unseize from the piping (exposure to the elements, plus heat from the exhaust, causes them to seize pretty solidly to the piping). Then unplug the harness from the sensor, remove it, thread in the new sensor, plug it in, and you're done.

Posted on Sep 09, 2008

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