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If it has a 2.5 V6 it does if its 4cyl. it may have a pre catalytic converter and a post converter
The 2000 Grand did not use the 318. The O2 sensors are in the exhaust on either side of the catalytic onverter.
I believe there is two and a resonator. I have read that there are three, but there are no o2 sensors after the "3 rd Cat"
YES...
3
It has one.
4
MY 2000 has 3.
There are 4 cat converters. They're not cheap either
Know that it is illegal to remove the converters. Also know that the engine will not perform correctly with the converters removed.
Our 2000 mercury cougar does not start up and stay running. We were told the catalytic converters went out on the engine. Could this be true!