It's possible that the cat could be plugged, but not likely. Check for vacuum leaks, tune-up stuff (distributor cap, rotor, wires), even a bad O2 sensor could do that. Sounds like you should take it to Auto Zone or somewhere/someone and have a code reader utilized.
Yes, as long as it is a fully functioning converter.
There is one in the front of the catalytic converter and one after.
Soccer
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Major League baseball
In the exhaust pipe, just behind the engine.
Netball or Basketball ( if you've dribbled stopped and then continued moving)
Just before the catalytic converter.
have it scaned by a snapon computer it will tell the bad one
You need a converter straight, which is basically a straight with the different ends on either side.
Bank 1 is the passenger side of the engine in your Ford Explorer
One possibility is a dying alternator.