They check the same thing they would on any other vehicle. The exhaust is the major concern. What's getting put out in the economy. The Carolinas and Georgia do not require an emissions test.
There is a problem with the emissions system.
It means the ECU has detected a problem with the emissions system.
It means the ECU has detected a problem with the emissions system.
Could mean a number of things, your best bet is to take it to a dealership, or other place with OBDI code-reading equipment, and have it checked out there.
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