trouble code on 1998 Mitsubishi Eclipse

what does the trouble code po134 mean?

Asked by for the 1998 Mitsubishi Eclipse
OBD II Code P0134 = Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1). The signal sent by the Oxygen Sensor to the Power Train Control Module (PCM) is or near the 0.450 set voltage point.

On this page you will find Symptoms, Common Misdiagnoses and more; http://repairpal.com/obd-ii-code-p0134
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