Is it possible for a fault to develop with the Atkinson Tankmaster where the valve between it and the tank is permanently open (even when the plunger is in the closed position)?
If so, how would you check if this has happened (other than consuming oil, pulling the plunger to take a reading and making sure the level fell)?
If so, how would you check if this has happened (other than consuming oil, pulling the plunger to take a reading and making sure the level fell)?