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How do you reset the emissions control computer on a 2001 mercury sable?
Wiki User
∙ 16y ago
Resetting the computer, I assume, to turn of the "Check Engine" light. It should be done with a dedicated scan tool to prevent loss of the computer's Keep Alive Memory. This "KAM" is where the computer has learned your car and it's specific needs. If this memory is lost, you may have some driving issues until the computer "relearns". If you don't have access to the proper tool, you can also disconnect the battery ground terminal and leave it detached for roughly 30 seconds to reset the computer. Caution! Many new cars have anti theft systems in their audio systems and will lock the radio if the battery is disconnected. Be sure you have the code to unlock it when you're done. Also, many new models have to be retaught some systems after the battery is disconnected and won't run at all well. Be sure your's isn't one of them before following this generic advice.
Wiki User
∙ 16y ago
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