Did the check engine light issue get resolved for anyone & how?
What is your question?
Whether puddles or large qty of water is swooshed, the check engine light appears. I took the car for the code check and am told that the P0420 Bank 1 catalyst system - low efficiency. Does that actually mean that I need to change the catalyst? How will I know what the real issue would be? My car has approx 179K miles.
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