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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Performance and Technical Chat
02 sensor

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11-13-2017, 12:50 PM	#1
derfo Registered User Join Date: Sep 2012 Location: UK Posts: 140	02 sensor I replaced my 02 sensor 4 months ago 1700 miles. Everything went well the CEL went out after a day. So back to normal until a couple of days ago. My CEL came on again. I connected my scan tool and this is the reading I got. "P0140 $11, 02 Sensor circuit no activity detected Bank 1 Sensor 2". Does this mean the sensor has stopped working. By the way I don't know what make the sensor is I bought.

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