2002 Pontiac Grand Am "bad catalytic converter" Questions

...the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel

...told that in could be the catyliatic converter. bad O2 sensor(s) won't cause significant loss of power. restriction with gas flow (filter, pump) or exhaust (catalytic converter) most definitely

...THE CATALYTIC CONVERTER. P0171 SHOULD GO AWAY WITH A GOOD O2 SENSOR BUT DO CHECK FOR VACUUM LEAKS TO BE SURE. 3.1/3.4L ENGINES HAVE A BAD DESIGN INTAKE MANIFOLD GASKET, THE LEAK OIL, COOLANT, AND

...catalytic converter is probably bad and clogged up.I took the exhaust apart underneath the car and hammered a metal pipe thru the converter.This took care of my light problem and the bogging down ...

...very sluggish under load, exhaust has funny sound. Is it a plugged converter or bad Ignition control module? Recently replaced module with a Delco part. I would suspect a plugged catalytic

bad wire can cause a car to misfire,try testin the wires, to make sure u get a good spark on two cylinder misfires and they changed catalytic converter in first place..firsable stop going that shop...

...bad and sounds strange from the exhaust. It also has a smell that is kinda wierd not gassy but like something is real hot but its not overheating. Any ideas? clogged catalytic converter put your hand ...

...bad about showing on the chevy engine b/c i sale exhaust parts. Also some times when taking off, like when getting on to the interstate it bogs down and you have to let off the gas and then get back ...

...will still run with a bad O2 sensor, you will just get poor fuel mileage and can eventually clog the catalytic converter. The computer will tell you which sensor it is that is not reading

...bad-changed fuel filter still the same you might have clogged catalytic convertor not allowing car to breathe sounds like you might have a clogged catiletic converter or else a clogged muffler. If ...