2001 Toyota Camry "needs fixed code p0420" Questions

Check engine light on. The codes are P0420 catalyst efficiency and P0505 idle control system. What do I need to do to fix this?? You need a catalitic converter p0420. Possible iac motor p0505...need ...

...needs to be replaced? I am due for inspection next month and want to make sure this is fixed properly. Is it always the case that with p0420 code, its always rear O2 sensor? Or can it be something ...

...code found P0420 Catalytic converter system fault, what can I do, I'm a fairly handy mechanic P0420 is a cat code. Sometimes, you can replace the upstream & downstream air/fuel & O2 sensors, run some ...

...needs to be "flashed" Im unsure what this really means or if it's true. Any help? The code PO420 you have is Catalyst System efficiency is below threshold bank one. Usually replacing the O2 sensor ...

code come back on, if not you just fix the problem. but I bet it is your catalytic converter is bad, the rattle sound is not coming from the engine, it is from the catalytic converter, use a seth pole

code P0420 that indicates a weak cat converter might as well have nothing to do with the catalitic converter! On 2 separate cars ('02 Prius and '00 Camry) I have replaced the downstream oxygen

the same car. My engine light has come on because of a exhaust issue particularly in the catalytic converter. THe code is P0420. This is a typical code for this year of car to surface. Hope this helps

code P0420 Catalytic converter fault what can I do? that code is saying that your catilitic converter is junk, but could be caused by some other problem also gas leak on exhaust system a/f sensor bank

p0420 for my 08 sienna. What do I have to do to get fix this code? You need service and repair manual with diagram which will provide you step by step help to locate and fix the problem easily and you

...sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes