Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
fuel air metering p1131 is code showing up
P1131 - Manufacturer control fuel air metering - Swirl Control
P1131 on an Expedition is a mass air metering error, not to be confused with a mass air sensor. The engine control module cannot see the bank one sensor one O2 sensor switch from lean to rich. Basically, the sensor is either bad or the wiring has a fault or short somewhere between there and the ECM.
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S-11 Switch,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
P1131 code does not show up in the book. There is a code for P0131 which is the heated 02 sensor or circuit fail.
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean