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Q:

air fuel ratio a/f sensor heater system on 2003 Honda CR-V

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
it happens occasionally and the code is p1160
(1) Answer
there is a problem with the heater circuit. you need a shop to verify the problem and track down the failure.

Roy