o2 sensors, check engine and traction control lights with break recall

What is your question?

We brought our vehicle for a brake recall. We didn't have ANY issues with our 4runner before that. When we left our check engine was on. They brought it back to "fix" it and when they brought it back all the traction control was on AND the check engine light were on. They sent us home and said it would go out, on the way home it did. But the next morning it was back on so we brought back. They did manage to get them back on all the while blaming us saying out oil was low (which was bull since they filled out the forms and said it wasn't. So fast forward 3 mo. the check engine light came back on AND the traction control lights came back on. When we ran the codes it said it was an o2 sensor but didn't say which one. They also got no codes for the traction control. They said they think the break work they did mess up the computer somehow. Since it's all the same area. What do you guys think? it is running rough now... Angy because it ran fine before that NO issues. (bring to dif. dealer?)

What makes this problem better or worse?

nothing

How long has your 2004 Toyota 4Runner had this problem?

5 mo.