Question about 1993 Mitsubishi Galant

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99 galant check engine light

The code said po135 which I looked it up and found that it was the upstrem 02 sensor, I replaced it and tried to reset the computer but the code comes back on after I shut the car off and start it up the second time?can it be something else? 99 galant 2.4

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Temporarly disconnected the battery.

Posted on Oct 15, 2008

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