DTC P0131 Honda
HO2S-11 (Bank 1 Sensor 1) Circuit Low Input
HO2S-11 (Bank 1 Sensor 1) Circuit Low Input
Description
Engine running in closed loop in D4 position at cruise speed, and the PCM detected the HO2S signal was fixed at less than 0.50v. Note: The actual value to set the code is stored in the PCM memory.
Cause and Solution
HO2S signal circuit is open or it is shorted to groundHO2S may be contaminated or may have failedFuel supply system is too lean (fuel filter is clogged or dirty)PCM has failed
Video Guide
Diagnostic Info
- DTC Code: P0131
- Brand: Honda