Question about 1995 Ford Mustang
The catalytic converters are mandated by Federal law. Unless the clog (due to driving for many months with an engine miss or other cause of engine running to rich), they do not hurt the performance of the car. Federal law mandates that the manufacturer warranty the catalytic converters for 8 years or 80,000 miles. They take unburned residual fuel and burn it completely. This helps improve our air quality. The easiest way to detect a defective converter is to bang on it with your fist (when it's cold). If a rattling sound comes from the inside, it means that the unit was overheated, due to an excessively rich fuel mixture. The unit must be replaced, because the loose ceramic media inside will soon clog the exhaust, causing poor performance. I know of many who remove them. If your State has an inspection law, you will be forced to re-install them. Removing them on 1996 and newer cars will cause the CHECK ENGINE lamp to illuminate. Charlie
Posted on Jun 14, 2009
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Posted on Jan 02, 2017
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