Something wrong with the engine, exhaust system or emission control system.
The check engine light is part of the on-board diagnostics (OBD-Ii) that all
cars since 1996 have. There are some trouble codes that go along with this
that can be read. You have the trouble codes read at AutoZone and other auto
parts stores, usually for free.
Go to one of these places, have the codes read, *write down* the exact
codes, including all the numbers (not just the description), and report back
to us. Although I am totally useless at it, others in this group can explain
what the codes mean and what the likely causes are.
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