Correction: Have a 2004 Johnson 90 HP EFI Motor on my pontoon. The No Oil Light stay's on, Oil Cap. is full. Can it be the sensor and where is it located. Any Help Please.
No oil is sensed at the OMS pump on the block. I recommend you start using some 50::1 premixed fuel while you troubleshoot the issue. Low oil is the alarm from the resevoir.