BlueCollarTahoe
Full Access Member
- Joined
- Sep 21, 2016
- Posts
- 538
- Reaction score
- 112
I climbed under my tahoe today to look at the 02 sensors face to face before i try to replace them. I saw this underthere near the middle of the front. can anyone tell me what it is exactly? and if its serious? and what should i research to repair it.