You probably have a defective coolant temperature sensor or a short of the
sensor wiring. The resistance value of the sensor is too low (a short?).
You can unplug the sensor plug to see if the gauge immediately lower the
needle to lowest point.

David

--- Matthew Hokanson <vanagon88@GMAIL.COM> wrote:

> Hey all,
>
> Just recently, when I start my 1988 Vanagon GL, the temp gauge needle
> immediately rises to the top of the gauge and the coolant light keeps
> blinking (passed its normal start up routine).
>
> Any help or thoughts on this would be awesome. I checked the archives but
> couldn't come up with anything.  (Not entirely sure of what keywords to use
> though.)
>
> Thanks in advance,
>
> M. Hokanson
>

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