Question

I got the engine code P0450 on my 2001 Toyota Echo, how do you fix the code?

Answer 1

P0450 EVAP emission pressure control system malfunction

This code is usually accompanied by other EVAP codes, if the emission hose gets disconnected especially near the air filter you can get this code, at the air clear inspect to make sure the EVAP hose are properly attatched.

Answer 2

P0450 TOYOTA Code - Evaporative Emission Control System Pressure Sensor/Switch

Read more: https://www.autocodes.com/p0450_toyota.html