A Catalytic Converter is used to reduce harmful emissions coming from the exhaust (i.e. carbon monoxide, nitrogen oxides, hydrocarbons).  Made of stainless steel, it heats up (cooks) the toxic gases to reduce the amount of pollutants before it is emitted from the exhaust.

There are many different types of Catalytic Converter.  These converters are designed differently based on the make of the vehicle.  The exterior of the Catalytic Converter is stainless steel while the interior is made of ceramic material/monolithic substrate material.

Extend the life of a Catalytic Converter by keeping the vehicle in tune.  This also prevents cylinder misfires (when the fuel charge does not ignite and passes through the exhaust system as unburned fuel) which is one of the common causes for the Catalytic Converter to fail.

What Causes the Catalytic Converter to Fail?
1.  Degradation that occurs over time due to constant passage of pollutants
2.  Cylinder misfiring which causes the Catalytic Converter to overheat and melt down the interior (substrate brick)

Symptoms of a Failing or Faulty Catalytic Converter?
1.  Failed Emissions Test
2.  Check Light Engine On
3.  Engine Overheating
4.  Lack of Power and Engine Becomes Sluggish
5.  Rattling Sound Coming From the Catalytic Converter
6.  Extreme Heat Coming From Catalytic Converter

“I am one of the Audi and Porsche Technical Advisers on Just Answer”

Ask Audi Mechanics Now


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s