Question about Chrysler 300
You fail to list the year. If it is OBD1 compliant try turning on the headlights, then disconnecting the negative battery post. turn off headlight switch and wait 5 minutes and reconnect the battery post. This will reset the ECU. If it is OBD2 compliant then the same procedure may work but you will have to give the transmission time to relearn the characteristics of your drivetrain after reconnecting the battery. Or you can just keep driving and if you have repaired the problem that set the light then after around 50-100 key on/off cycles the light will automatically reset. Of course if you do not repair the problem that set the code it will not go out. And even if you turn it off it will just come back on. So you have to repair the problem to get rid of the Check Engine light permanently.
Posted on Jun 04, 2010
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Posted on Jan 02, 2017
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