What model year is this? Only 1996 and later will detect evaporative
leakage. Also, it only runs the test under certain conditions, so if it
hasn't been broken very long it may not have detected it yet.

--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from
Home Page: http://www.roberthancock.com/


> wrote in message
...
> I have a defective gas cap( it will not stay on), and so far no lights
> are coming on! I am in the process of getting a locking gas cap now, but
> I do not understand why no trouble lights, even when the cap is
> completely off? Could a bad gas cap effect gas mileage? My gas mileage
> is really not very good. Thanks!
>
>
>
>