2005 Acura RSX Q&A

2005 Acura RSX Question: Check engine light came on. Diagnostic code P0420. Failed emissions.

Is this a sensor or does the cat. converter need to be replaced altogether? Check engine light came on, code P0420, failed emissions inspection. -
Answer 1
In most cases when code p0420 sets the catalytic converter requires replacement. Please use the RepairPal estimator to find out what the cost should be. Here is a link - https://repairpal.com/estimator?car_type_id=4292 -