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I have a 2002 Galant GTZ - basically the same car. Disconnect the battery cable for a period of time. This will clear out the computer's memory and reset the light. If the light continues to come back on afterwards, then you might want to get it checked. I've done this on my Galant as well as a 1999 Jeep Cherokee and 1999 Dodge Avenger. I think it will work on any car where the engine light doesn't turn off unless externally reset. When I've done it, I've had the battery cable off for as long as overnight and short as 4 or 5 hours. Just depended on when I disconnected it and when I needed to drive it again. May be able to do it for less time. Just need it to be long enough for the computer to lose it's memory. Of course, you'll lose your radio presets as well.

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โˆ™ 2015-07-15 21:26:34
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Q: Can you reset the Service Engine Soon light on a 2003 Mitsubishi Galant GTZ without taking it to a dealership?
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