Check engine light

Hey rocco, i have an 2006 scion xb. I got codes to replace the cat convertor, the upstream and downstream o2 sensors. I bought and replaced all 3. I put the freeway and highway miles on them. The computer reset but, the engine came back on. The down stream sensor code was on. I spoke to a few different people at the parts stores and mechanics. They said imports often cant use brands other than ntk or denso, besides oem. So, i looked around and found a denso four wire which , is what my care takes. I got the sensor but when i did a side by side comparison, they are a little different. Car has 2

– Check engine light

check engine light

Hi a couple weeks ago my radiator broke n the check engine light went off, i changed the whole radiator by myself after the shop told me thatvwas the problem but the check engine light is still on, is that a code theu need to get rid by their computer? R thers something else goin on?

– check engine light