Mark Dorm wrote:

> Last night the oil light started flickering. I checked the oil, added
> some.
>
> Today it flickers, I added something to thicken the oil. No real
> change. I flashes once or twice and then nothing, or it pitters just a
> little, or patters, and then its out.
>
Check the wiring from the sensor (bottom of the engine).

> It seems to drive just fine.
>
> Called a guy and he wants 70 dollars. But if its due to the oil filter
> then what good does it do to check?

It seems unlikely that this could be caused by the filter.

>
> I know it could be electrical, the oil filter, the slow leak getting
> worse, or bearings going bad, or the oil pump getting weak.
>
> If its the main seal he said its 500 dollars. He said the oil pump
> would be expensive too cause its inside the casing.... (is this
> true....)
>

Sounds like he is not familiar with the vanagon engine.
  If possible find a more knowledgeable mechanic.