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P1130 Diagnostic Trouble Code Discussion for May 2016

Heated Oxygen Sensor (HO2S-12/HO2S-13) Signal Circuit Demand Changing


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Trouble Ticket Help Requests for DTC P1130
Help Request Posted
2002 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3HN86R22
P1130: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction. First off I don't understand wideband o2 sensors. Will be happy to learn it. However with the o2 sensor unplugged it rears 3.250 oxygen sensor is a denso part. Also this is a california car. Does anyone have any tips for me?
May 30, 2016