Just though I would share -
All cars 95 and newer have a 8 year / 80,000 mile warranty for major emmision components:
What Are Specified Major Emission Control Components?
There are three specified major emission control components, covered for the first 8 years or 80,000 miles of vehicle use on 1995 and newer vehicles:
* Catalytic converters.
* The electronic emissions control unit or computer (ECU).
* The onboard emissions diagnostic device or computer (OBD).
Federally mandated (EPA):
http://www.epa.gov/oms/consumer/warr95fs.txt