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Reply to "Newbie with many questions"

Todd M posted:

Need some advice.  Check engine light is on in the Fiat 500.  I hooked up the OBD reader and even though it did not recognize it as a Fiat, I chose from the list a Mazda, and later chose a Ford Focus.  It came back with a fairly generic fault for both, which was that the gas cap was not completely closed.  I twisted the cap, and rechecked.  The check engine light still comes on and the code still shows in the OBD reader.  I disconnected the battery and reconnected it, the check engine light still comes on.  The engine sounds fine.  Any suggestions?

@Todd M yes do t need to leave. Most car part store has a reader that can help check engine light. 

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