2001 Toyota Tacoma Catalyst converter

2001 TOYOTA TACOMA
173,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
Avatar
LOPEZ PIC
  • MEMBER
  • 1 POST
What parts do I need to buy to fix catalyst converter on toyota tacoma 2001/ check engine light is on and fail code is p0420 catalyst converter below threshold bank 1 (5)
Jun 16, 2014 at 2:37 PM
Advertisement
Avatar
CARADIODOC
  • ASE Certified Mechanic
  • 34,321 POSTS
  • ASE Certified Mechanic
You need a new catalytic converter. Bank 1 is the driver's side. Once it is replaced, you also need to look at the oxygen sensor signal voltages and the fuel trim numbers to verify the fuel / air mixture is correct, otherwise the new converter could overheat and be damaged.
Jun 16, 2014 at 10:23 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.