Assuming the check engine light is illuminated, have the Diagnostic Trouble Codes (DTC) read. If in fact you have a bad cat, the codes will help lead you to the faulty cat. Your local auto parts store can help you with that at no cost.
Yes
There is no such thing as a 2002 Cherokee Laredo. The last year for the Cherokee was 2001, and the last year it came with the Laredo trim was 1992. I have a 2003 Cherokee Laredo so this awnser makes no sense at all. Do you have a GRAND Cherokee Laredo? Those are still being made. They are not the same as the Cherokee.
how to change radiator 1995 jeep grand Cherokee Laredo
How to change the brake switch on a 2004 Jeep grand Cherokee Laredo
A Catalytic Converter can fail if it becomes clogged or poisoned but there is no way of knowing when it is clogged. Replace your Catalytic Converter when it starts to malfunction.
Only if it is not working.
Simply, yes.
no. the catalytic converter system is there for a reason. it is reducing the impact of emissions on the environment.yes. you can but your vehicle may not pass emission standards in your state check before you remove it.
did you check the speedometer gear in the tranny?
Take it to Midas Muffler.
take it to a muffler shop
On modern vehicles the catalytic converter is made to last the life of the vehicle. It would need to be replaced if the car is burning a lot of oil or if it has been damaged.