Chevy dealer, auto parts store, etc.
yes
80k miles
That would be the O2 sensor located in the exhaust system after the catalytic converter.
probably but it will sure start stinking.
yes, its a dealer only item in California
Like changing a muffler Remove flange at front of converter Cut or remove clamp at rear install new
Perhaps: Fuel filter Air filter catalytic converter
Two. One on the bottom of the exhaust manifold and one after the catalytic converter on the exhaust system.
The catalytic converter is found in the exhaust system between the engine and the muffler.
It did when it came from the factory.
Yes
Yes.