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P1130 Diagnostic Trouble Code Discussion for September 2006

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
2001 Toyota Highlander 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: JTEHF21A21
P1130: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction. ... poor idle,scanned for codes and found po171,checked for vacuum leaks and cleaned maf,no change,replaced maf and now have po174 lean condition bank2,p1130 b1s1 perf.malfunction and p1150 b2s1 performance malfunction,vehicle...
September 11, 2006