P1130 Diagnostic Trouble Code Discussion for January 2009
Heated Oxygen Sensor (HO2S-12/HO2S-13) Signal Circuit Demand Changing
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| 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 |
