2000 Toyota Corolla "interperate" Questions

engine light codes 02-3151 and P0420 Code P0420 is a code for Catalyst efficiency. The computer is seeing the post Catalytic converter o2 sensor having too much activity. The Cat. should be cleaning ...

scania v 480 hi problem with scania v 480 EDC diagnoses 3:3,4:7,2:6,5:5,2:5 ....can you tell me what is the problem with that ... EDC refer to the Scania service department for the code readings ...

I have a P0420 code happening on my kia.What does that mean? Code P0420 is a code for Catalyst efficiency. The computer is seeing the post Catalytic converter o2 sensor having too much activity. The ...