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Q: My engine check light came on and it said "Catalyst Threshold Efficiency Low." on 2005 Acura TL

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
What does this mean? Someone please help!
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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one of your catts is going bad did it say bank1 or 2 and per catt or post catt. it means you o2 sensors are not seeing enough difference between pre o2 and post 02 but u need to figure out if its an 02 issue or catt issue.rec seeing a mech that knows these cars for proper diag
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