Greetings all. New member.
I just last week did a plug and boot change on my 02 GS. It's running great but this morning woke up with the check engine light on. I took it by the local AZ for a code read out which said "defective or loose gas cap." I bought a new one and of course that was not the problem. I double checked all the connections, vacuum, etc., with no results. As I said, running great. Any ideas would be appreciated.

thanks, bil

 

I think may be there are some wires loose.Do check once and get them fixed.