Where could I find diagram for 2003 catalytic converter on a Mazada 6
catalytic converter
That would be the sensor after the catalytic converter.
It's Hot! It needs to be to work properly.
Not sure but a 1991 model does, so it stands to reason that a 1990 would.
Catalytic converter plugged?
A catalytic converter can be ruined by a engine that is missing and dumping raw fuel into the converter.
That would be the O2 sensor after the catalytic converter. This sensor monitors the efficiency of the catalytic converter.
The catalytic converter(s) would be found in the exhaust system between the engine and the muffler.
Upstream would be before the catalytic converter. Downstream would be after the catalytic converter.
Having no catalytic converter installed is illegal and can cause a myriad of problems. Probably not a backfire though.
That would depend on the type of vehicle. If it is a low emissions vehicle you have to go with the oem catalytic converter.
Yes, but why would you want to?