1) Take it off and do a visual inspection 2) loss of power 3) glows red when vehicle driven - easily seen at night 4) Blue color when cold 5) internal rattle - worse when cold The above are common symptoms
Many of the compounds that make your engine oil work better on the INSIDE of the engine are also "poisonous" to your catalytic converter as your engine starts to use oil. The nice thing about catalytic converters, they burn unused hydrocarbons that come out the exhaust. You may not KNOW that your engine is burning oil until the catalytic converter gives out or even gets plugged up. Watch the oil level in the crankcase. If it drops with no evidence of leaking, it's burning and your catalytic converter will die.
Transmission torque converter or an exhuast catalytic converter?
It can't the converter is in the exhaust system
A catalytic converter could need replacing for a couple of reasons. If your municipality require emissions testing a defective converter could be the source of fail emissions problem but the most common reason that a converter is replace is plugging off the exhaust system lowering the performance of the engine. If your car appears to run properly but lacks power a clogged catalytic converter could be the source of the problem. One of the quickest ways to verify this is an intake manifold vacuum check. If the vacuum reading is low and steady this is an indication of a plugged converter.
I'm not sure about rhodium, but i know that catalytic converters with platinum contain about 3-7 grams of platinum per converter.
your catalytic converter is plugged up most likely. Are you experiencing low power output or a "bogged down" state when you accelerate and drive? These too are all symptoms of a plugged catalytic converter. An easy fix if you or someone you know has the tools, is to simply torch or cut the converter off the pipe, use a rod and hammer and hammer out all the guts. Then weld it back on place, preferrably with a MIG welder, but a stick welder would work too..just not as nice. Do it this way, and you save yourself almost at the least, $200 in repairs from a mechanic.
A Catalytic Converter reduces unburned exhaust gasses.
Loss of power, excess use of fuel, and converter will get red hot.
A bad catalytic converter will cause a severely restricted exhaust system. You would notice a lack of power and performance from you vehicle and in cases of a completely blocked converter, the engine may not run.
cos it sounds noisy!
If it was built with one, it is required.
I believe bank 1 sensor 1 is Passenger side before catalytic converter. sensor 2 is after catalytic converter. bank 2 sensor 1 is Driver side before catalytic converter. sensor 2 is after catalytic converter.