As for vacuum hose replacement, does anyone offer a replacement set or do you have to piece everything together?

I replaced just the front o2. I know I know.. I should have done both while I was down there. I only had the money for the front and since I had just the front o2 code, I felt it was ok. I had to heat the front o2 up so I could break it lose. I would bet it was original. I took a look at the back on...

Hi guys, My wife drives a 99 S70 AWD. It has approximately 170,000 miles on it. We have owned the car going on two years this September '16. Anyway, she has had an upstream code since beginning of last winter. I didn't feel like messing with it then but got around to doing it recently. So last week ...