Steve, have you had a chance to read my article about this on my site?
http://www.vanagain.com/troubleshoot-the-oil-light-and-buzzer/

Let me know if I can help you further.

Ken Wilford
John 3:16
www.vanagain.com

On Tue, Mar 3, 2015 at 12:19 PM, Van Pelt, Steve <Steve.Van.Pelt@ed.gov>
wrote:

> Hi all,
>
> My oil buzzer comes on after a 30 minutes or so of hiway usage.
>
> I've changed the oil, using 20-50 Castrol GTX, and am wondering if the
> motor's got issues, or the oil buzzer system does.
>
> If I turn engine off, and then on again, it'll stay off for a little
> while... other times, it'll just buzz for a second or two, then turn itself
> off. It gets better at slower speeds.
>
> Any thoughts?
>
> Regards,
> Steve
>

--
Thanks,
Ken Wilford
John 3:16
www.vanagain.com