check engine light came on run for a few days and all of a sudden the light goes out. Put my obd2 instrument on it and got a reading P1131 indicating a lack of HO2S11 switches- sensor indicates lean. can you tell me what may cause the light to come on. The car is 1997 Mercury Tracer.
Trouble code P1131 means: Lack Of HO2S-11 Switch,Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
p1131 = lack of HO2S11 switches - sensor indicates lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean Trouble code P1132 means: Lack Of HO2S11 Switches - Sensor Indicates Rich
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean