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The purpose of any catalytic converter is to reduce harmful emissions from the exhaust of a "properly tuned"
combustion engine. It accomplishes this through a combination of heat and a precious metal catalyst that causes the
harmful emissions to either oxidize or reduce to safe elements in the exhaust flow. If the engine is out of tune and not
calibrated to OEM specs, the catalytic converter's efficiency is greatly diminished and could lead to a converter failure.
The precious metal catalyst is bound to an extruded ceramic honeycomb substrate. The ceramic has hundreds of flow
channels that allow the exhaust gasses to come in contact with a maximum amount of surface area where the catalyst
reaction takes place. The catalyst must come in direct contact with the exhaust gasses for the reaction to take place.
If the ceramic inside your converter becomes clogged or coated with carbon, lead or oil, then the converter’s efficiency
is greatly reduced.
There are three basic types of automotive catalytic converters: Two-Way, Three-Way and Three-Way+Air. Each type
uses a slightly different method and chemistry to reduce the harmful elements in exhaust emissions. Early model
converters used a pelletized catalyst, but most modern converters are now designed with a free-flowing honeycomb
ceramic catalyst. The type of converter required on a particular vehicle varies with model year, engine size and vehicle
weight. Some vehicles use more than one type of converter to meet emission reduction standards.
combustion engine. It accomplishes this through a combination of heat and a precious metal catalyst that causes the
harmful emissions to either oxidize or reduce to safe elements in the exhaust flow. If the engine is out of tune and not
calibrated to OEM specs, the catalytic converter's efficiency is greatly diminished and could lead to a converter failure.
The precious metal catalyst is bound to an extruded ceramic honeycomb substrate. The ceramic has hundreds of flow
channels that allow the exhaust gasses to come in contact with a maximum amount of surface area where the catalyst
reaction takes place. The catalyst must come in direct contact with the exhaust gasses for the reaction to take place.
If the ceramic inside your converter becomes clogged or coated with carbon, lead or oil, then the converter’s efficiency
is greatly reduced.
There are three basic types of automotive catalytic converters: Two-Way, Three-Way and Three-Way+Air. Each type
uses a slightly different method and chemistry to reduce the harmful elements in exhaust emissions. Early model
converters used a pelletized catalyst, but most modern converters are now designed with a free-flowing honeycomb
ceramic catalyst. The type of converter required on a particular vehicle varies with model year, engine size and vehicle
weight. Some vehicles use more than one type of converter to meet emission reduction standards.
CONVERTER BASICS:
CATALYTIC CONVERTER FAILURES:
If a catalytic converter needs replacing, one of the problems below most likely
contributed to its failure.
If a catalytic converter needs replacing, one of the problems below most likely
contributed to its failure.
| Engine Tune-Up Required. |
| Excess Fuel Entering Exhaust. |
| Oil or Antifreeze Entering Exhaust. |
| Deteriorated Spark Plug or Spark Plug Wires. |
| Oxygen Sensor Not Functioning Properly. |
| Road Damage or Broken Hangers. |
| CATALYTIC CONVERTER PRICES |
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