Unscrewing a sensor and replacing it is pretty straightforward. You might need this special socket to clear the wires. Twelve years and more than 100,000 miles have passed under your trusty commuter ...
Bought my 2009 five years ago for $10,000. The first month I had it the back Catalytic Converter went out. Had it replaced & it went out again. It had to have GMC parts. O2 sensors & tire sensors keep ...