Emission codes of P0440, P0441, P044

2000 LEXUS RX 300
15,800 MILES
Avatar
TIP1949
  • MEMBER
  • 3 POSTS
Are showing up on my car. What is the problem and how can it be resolved? I took my car for my annual car inspection. The emission testing did not pass because of the codes above.
Jul 4, 2012 at 5:09 PM
Advertisement
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
they are evap codes. you need a shop with a scan tool and a smoke machine to test the components for failures.

it is not an easy diag, takes time to find the exact issue

Roy
Jul 4, 2012 at 5:24 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.