[Shop-talk] Problems with mower and oil light

[Randall]

> If I drop the RPMs to idle, the 
> light flickers off.

Since that is backwards to the way it usually works, I suspect the pressure sensor may be bad.  Try temporarily connecting a real
oil pressure gauge and see what it says.  Also check to see the light doesn't come on with the sensor disconnected (meaning a short
somewhere in the wiring).

-- Randall