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Home › Jeep › 2014 › Compass Limited, AWD, Automatic Trans › Repair and Diagnosis › Engine Performance › System › 2.0L & 2.4L - DTCS P000A To P0304 › Diagnosis And Testing › P0037-O2-Sensor 1/2 Heater Circuit Low › When Monitored

When Monitored

With the engine running and battery voltage greater than 10.4 volts.

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