What mean error code p1166 for Honda CR-V?

Error code P1166 for a Honda CR-V typically indicates a problem with the air-fuel ratio sensor, specifically the sensor's response time. This code suggests that the sensor may be malfunctioning or is experiencing issues with its heater circuit. It can lead to poor engine performance, increased emissions, and reduced fuel efficiency. It's advisable to diagnose the sensor and its wiring to resolve the issue effectively.