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P1130 Diagnostic Trouble Code Discussion for January 2009

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
2000 Lexus RX300 3.0L MIL Lamp on VIN: JT6HFOUXYO
P1130: A/F circute range malfunction bank 1 sen.1. Customer had before mentioned parts replaced by other shops. We check and found Aifr fuel sensor voltage won't change much. 3.29 to 3.3V no matter what. With new air fuel sensors in I tried used ECU. Same problem. I then tried another denso A/F sensor. Still c...
January 26, 2009
2000 Lexus RX300 3.0L MIL Lamp on VIN: JT6HFOUXYO
P1130: A/F circute range malfunction bank 1 sen.1. Customer had before mentioned parts replaced by other shops. We check and found Aifr fuel sensor voltage won't change much. 3.29 to 3.3V no matter what. With new air fuel sensors in I tried used ECU. Same problem. I then tried another denso A/F sensor. Still c...
January 26, 2009