You shouldn't do it with the engine running. Remove it and clean it. Actually, you could have her disconnect it and see if there is any change. As far as the check engine light, if it comes on, someone with an OBD 2 scanner should be able to check it when it comes on. For some reason it isn't setting a hard code to keep the light on; however, the computer is recognizing a problem when the engine is running and should be picked up by the scanner.
Let me know what you find.
Monday, December 27th, 2010 AT 2:09 AM