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Discount Catalytic Converter
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Catalytic Converters New Products O2 Sensors


Discount Converter, Ltd. has now added to their product line Walker Products O.E. Type, Direct Fit Oxygen Sensors. The oxygen sensor is located in the exhaust system and determines the oxygen content of the exhaust gas.

Since the amount of oxygen in the exhaust gas is a very good indicator of combustion efficiency, it is also the best place to monitor the air fuel ratio. The Oxygen Sensor reports directly to the vehicles on board computer and is an integral part of the vehicles emission system.

Car manufacturers recommend replacing the Oxygen Sensors every 60,000 miles. A faulty Oxygen Sensor is usually the primary reason for the failure of the catalytic converter. The most important thing to remember about Oxygen Sensors is that they were never meant to last the life of the car!  They are wear items and need to be replaced as you would brakes, tires or spark plugs. 

When Oxygen Sensors reach 80,000 miles plus...change them.  Catalytic Converters do not go bad by themselves, 95% of the time some other problem with the vehicle will destroy the cat and most of the time it is the Oxygen Sensors.  Even when you have them checked and the tech says they are operating okay...if the mileage is over 80,000 change them.  When sensors reach that age they may still be functioning but the signal they send becomes lazy and since they operate in millivolts the slightest signal fluctuation can cause an air/fuel mixture problem and that in turn will take out the cat. 

If you are in the market for a converter and the vehicle still has the original Oxygen Sensors you should strongly consider their replacement...if not you could be buying another converter 90 days down the road.

Car manufactured from 1996 and later have emission systems known as OBDII. This simply means On Board Diagnostics Second Generation. In plain English it means among other things two oxygen sensors, one in front of the converter known as pre-cat and one downstream of the converter known as the post-cat sensor.  These two sensors communicate with each other and determine the air/fuel mixture for the engine.

Walker Product's Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceedemissio all original equipment specifications and test requirements.  They are manufactured in the USA and are direct fit with the factory connector that snaps into the data stream on the vehicle.  Be aware there are some cheap sensors being sold on the web that are made off shore...they do not work!!  Just be careful and use your good judgement when shopping.



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Catalytic Converters dramatically reduce harmful exhaust emissions

Catalytic Converter
Catalytic converters typically consist of a ceramic or metal honeycombed monolith substrate that carries precious metal catalysts.