55A with 1100 hrs on a Saga 43 sloop
has always run great and has had all scheduled maintenance
, but I've been stymied by a problem with the oil
Several months ago I noticed the gauge was pegged as soon as the engine
started, and held there regardless of engine speed. The first thing I did was to borrow an analog gauge, attach it, and verified that oil
pressure was fine at around 60 psi. There is also a separate low pressure warning buzzer that sounds for 1 - 2 seconds at startup until there is pressure, and the engine is not using any oil or running hot, so I'm confident this is just a gauge problem.
A likely cause was the sender unit so I replaced that; no change.
Confirmed continuity in the orange sender wire.
Today I replaced the gauge. Now the new gauge reads zero at all rpm
, although there is a very slight uptick in the needle when the engine starts, so I know the gauge is energized.
If the sender is new, the gauge is new and the sender wire is ok, what else could be wrong? And why is one gauge reading maximum, the other reading minimum, while a remote
gauge reads normal???
Thanks for any ideas,
Laguna Beach, CA