check engine light

are there any simple checks that can be done prior to bringing car to dealer for the check engine light?

thanks

Reply to
TGS
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Check/tighten your gas cap.

Reply to
J. Harris

Listen for vacuum leaks in the engine bay. An air pipe or plug may have dislodged.

Reply to
Johannes

Any particular car, make, model, engine, or contienent?

Reply to
Dave Hinz

If you live in the US, Autozone Car Parts will read the code(s) for free, there may also be others

Reply to
Newws

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