my take on this was a wire that has a worn threw and sets off the alarm on
the rare occasion at idle .
Bob
----- Original Message -----
From: "Dennis Haynes" <d23haynes57@HOTMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, July 01, 2007 6:47 AM
Subject: Re: Oil Pressure System Confusion...

> Once the high pressure warning is activated, it remains on until the
> system see the high pressure switch satisfied or the ignition is reset. My
> bet is that as you come down to idle, the circuit is activating on low
> pressure while still above the rpm set point. This is most likely
> happening after the highway drive or hill climb. Since it is intermittent,
> my bet is a marginal oil pressure problem.
>
> Check the oil level and are you using the proper viscosity? Oil level
> should be between the marks, not at or above the full mark. Yes, this
> makes a difference. It is also possible the pressure switch is a bit
> flaky. Also make sure the cooling system is running properly. High water
> temp will make for high oil temps.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Ryan Shawley
> Sent: Saturday, June 30, 2007 8:24 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Oil Pressure System Confusion...
>
> Regarding the dynamic pressure warning system on the 86 and ups;  I get a
> flashing light and buzzer scenario at idle once in a blue moon, according
> to everything I've run across this means, uh nothing?  The buzzer
> shouldn't buzz at low RPM right? (assuming true warning).  I plan on
> running through the Bentley troubleshooting tomorrown but I feel like I'm
> going crazy.  So if I get this right for true low pressure the light will
> come on at low RPM and the light and buzzer at high RPM?