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most of the time you will smell a rotten egg smell if its bad, or if you hear a rattling noise coming from your exhaust

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Q: How can you tell if your catalytic converter is broken?
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Related questions

How do you pass emissions test with broken catalytic converter?

Replace the catalytic converter.


Can a broken catalytic converter cause high oil consumption?

No


Can you drive with a broken catalytic converter?

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


Why has your car failed the emissions test?

The catalytic converter is most probably broken


How do you tell if an oxygen sensor is upstream or downstream on a 2002 Chevy silverado 1500?

Upstream would be before the catalytic converter. Downstream would be after the catalytic converter.


How can you tell if the catalytic converter needs replacing?

tap on it and if it rattles ,its done


What is the device fitted into car to reduce pollution?

catalytic converter


How to stop the Rattling noise from a 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.


99 land-cruiser catalytic converter rattles. Could it be a gasket or the converter?

It more than likely is the heat shield on top of the converter. It probably has broken loose.


When the cadillac converter is broken does the car have power still?

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.


Can you take off the catalytic converter and replace it with flowmaster?

Legally you can only replace a catalytic converter with another catalytic converter.


How do you know if catalytic converter is going out?

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.