oxygen

What's up all. Quick question. I have a 2013 R/T Blacktop that I picked up in April. It's been what - 8 months and yesterday I get the check engine light. I was going in for an oil change anyway, but when I got to the dealer, the light shut off on it's own but they checked the car's computer...

I recently purchased a 2007 dodge charger 3.5L off a small police dept in ontario and it runs great, decent shape except I got codes 0137 and 0138 on my first short Drive. I replaced the problems sensor reset codes and drove it once with no codes. Moved it off the street and codes came back. Ive...