Question

I got the engine codes P0420 and P1457 on my 1999 Honda Accord V6, how do I fix the error?

Answer 1

You must replace the catalytic converter to fix the problem. It's a quite common problem.

P0420 HONDA - Catalyst System Efficiency Below Threshold Bank 1
Read more: https://www.autocodes.com/p0420_honda.html

P1457 HONDA Code - Evaporative Emissions Control System Leakage EVAP Canister System
Read more: https://www.autocodes.com/p1457_honda.html