my engine light stays on on 2007 Dodge Charger

my engine light stays on; and can you tell which one is the engine light; and one valve make a little noise while idling

Asked by for the 2007 Dodge Charger
1 answer
If the check engine light is on, there will be some diagnostic information stored in the engine control module. This information needs to be retrieved by a mechanic and the problem diagnosed to determine what is wrong.