2010 FORD fUSION SE what is code 420 mean?

Question

2010 Ford Fusion SE what does code 420 mean? My check engine light came on and that is the code that Advanced Auto told me to check into.

Answer 1

You probably mean the P0420 code. P0420 code means that the catalytic convert is not working properly. Follow the link below for more information:

P0420 Ford - Catalyst System Efficiency Below Threshold Bank 1

Read more: https://www.autocodes.com/p0420_ford.html