Replace the catalytic converter.
No
A catalyticÊconverter does not have an effect on a vehicles abilityÊto be driven. A catalytic converter just reduces the green house emissions of the vehicle, so if it is broken the vehicle will just release more emissions.ÊÊ
The catalytic converter is most probably broken
Upstream would be before the catalytic converter. Downstream would be after the catalytic converter.
tap on it and if it rattles ,its done
catalytic converter
The heat shield on top of the converter may have broken loose. it can be repaired. If the rattling is inside the converter it must be replaced.
It more than likely is the heat shield on top of the converter. It probably has broken loose.
The Catalytic Converter is an emissions control device on your car and can be disabled (illegally). Your car will still have power if it is broken/disabled but will fail emissions.
Legally you can only replace a catalytic converter with another catalytic converter.
Tap it and if you hear parts rattling around it's shot. A catalytic converter is made up of ceramic plates, if it rattles when hit it's broken up inside. Replace.