find it on the exhaust pipe and cut the pipe before and after it, but then youll need to get a piece of pipe to replace it, otherwise youll have an exhaust leak
Catalytic converter plugged?
The easiest method is to remove it, and plug the ports on exhaust manifolds and catalytic converter.
cant repair a Catalytic converter only replace at a muffler shop
YES IT DOES. Yes it does.
Its welded.
Yes.
If a catalytic converter is indeed bad, it's far more cost-effective to replace it rather than try to repair it
Your catalytic converter is at the top of your motor at the exhaust manifold take out the 4 14mm screws that connect your converter to your manifold drop down out the bottom of engine and replace another really simple fix
Chevy dealer, auto parts store, etc.
In the main exhaust pipe just under the front passenger seat
In the exhaust pipe in front of the catalytic converter...close to engine in crossover pipe
Not sure but a 1991 model does, so it stands to reason that a 1990 would.