[Shotimes] Re: Why does the CE light go on if the gas cap isn't tight on OBD II cars?

[Mopadt@aol.com]

I am having trouble with my ck eng light as well. It comes on at irregular 
times but a code is never "set"  any ideas? I have cked my gas cap, it seems 
to close tight!  

Paul Wolfe
99 SHO