A/F Sensor (Sensor 1) Circuit Out of Range High
P1172 may indicate the ECM/PCM is seeing the A/F Sensor, Sensor 1, circuit as out of range high.
Article vehicle: 2010-2015 Honda Civic 1.8 Gas
Read diagnostic guideDTC code
P1172: A/F Sensor (Sensor 1) Circuit Out of Range High
Vehicle-specific published guides for this diagnostic trouble code.