A/F Sensor (Sensor 1) AFS Circuit Malfunction
P1157 may mean the PCM is seeing a possible malfunction in the air fuel sensor 1 AFS circuit.
Article vehicle: 2010-2015 Honda Civic 1.8 Gas
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P1157: A/F Sensor (Sensor 1) AFS Circuit Malfunction
Vehicle-specific published guides for this diagnostic trouble code.