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Home › Jeep › 2012 › Compass Limited, AWD, Standard › Repair and Diagnosis › Engine Performance › System › 2.0L & 2.4L - DTCS P000A To P0303 › Diagnosis And Testing › P0140-O2 Sensor 1/2 Signal Inactive › When Monitored:

When Monitored:

For six minutes after engine start up and the vehicle speed between 20 and 55 MPH.

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