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2000 Escalade
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Hi all, Over the weekend, the infamous "Service Engine Soon" light came on in my 2000 Escalade. I have an OBD II code scanner and received the following : Error code P0141, 02 sensor heater circuit malfunction (Bank 1 sensor 2). The light on the dash has since gone off. I gather it has something to do with the oxygen sensor. Is this something I should be concerned with. My 'Lade seems to run just fine, getting over 20 mpg on the open road with the light on. Any help will be appreciated. Thanks.
 
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