Group: Members
Posts: 1
Joined: 20-April 09
Member No.: 17,328
Drives: 2000 4runner SR5 4x4 - 3.4 liter
Location: USA
My 4runner is kicking out the P0420 code = the cat needs to be replaced. I have been told that my vehicle has both a front and back cat. Is this true? If it is true is there any to indicate whether it is the front or back that needs to be replaced.