Problem fixed: Oil alarm was on steady- falty oil tank float. You mention the "no oil" alarm activates, does the check engine light come on as well? Refill both oil tanks. Thank you for your prompt response to my inquiry. Have had a look around for used oil tanks. Thank you to everyone that commented on my post and provided suggestions. Problem fixed: Replace oil reservoir. Yes, I realize that great compression readings does not mean you have great crankcase pressure vacuum signals. 115 Mercury outboard. Oil reservoir but not low. Yes, part number 828362A2 does contain the float and magnet. DJuly 27, 2022 at 8:49 pm #263723.
I carry a jump wire on all my boats for this reason. He stepped back to think about it for a minute and realized that I have a deep cycle group 27 battery with 650 cold cranking amps as my cranking battery. Yes this alarm is usually after multiple short runs at low rpm. Caps on remote tank must be. Purge air from engine oil tank. Me, I sometimes find debris in the bottle.. and also, just replace it and don't look back.. 11-18-2020, 07:53 AM #6Screaming And Flying! You can use it to get home. Repair guy said I've never heard of getting an alarm due to battery. The engine oil reser-. Disconnected sensor and again that didn't help. Crowley's had by far the cheapest price for a genuine OEM oil tank. I suppose we could kind of test a little further by removing the sensor lead from the oil pressure switch. I know what the problem is, magnet separated from float.
Perhaps there is a leaky pressure/vacuum hose. Like others have said, perhaps there is a restriction or air leak in the oil line/pick up causing the pressure issue as well. Problem fixed: Oil sensor came loose. Check switch again for. You will need the laptop and software to investigate and codes stored by the "check engine" alarm. Have any of you heard of issues like this? Also remote oil tank.
The alarm only measures the oil tank level. Joined: Fri Nov 20, 2015 9:58 am. Keep a close eye on the tank to be sure it's staying full. Problem fixed: Low 2-cycle alarm float stuck in tank. Fitted and tested 2 new oil tanks, with 2 new sensors and THAT DIDN'T HELP. 90-855347R1 JANUARY 1999. Father-in-laws boat, Had a constant alarm. Canada Member - 2 Years. I would look for a new mechanic......... Official Wannabe. Now I have checked for water in fuel and that's clean.
Problem fixed: Oil Level / Overheat Alarm (constant audible). This is it, happened to my Mercury Opti Max 250 last year. The oil dissolves the glue that holds the two together, and the magnet falls to the bottom of the spindle, activates the alarm, and causes the motor to go into limp mode. Checked temp motor runs as cool as a cucumber. You can test the continuity of the 2 wires from the sensor with a multi-meter, if the tank is full and there is continuity between the 2 wires the tank will have to be replaced. What made you think it was the low oil level censor? There's a sticker on the battery compartment that states Opti's need a "non-deep cycle" battery with 1, 000 cold cranking amps. Seeing a reading close to zero would indicate that the switch grounds when no pressure is present.
Finally it is important to remember how that system check gage works. I tried to bridge the connection this just caused the warning system to scream at me. I'm sure you can find a go by on youtube. As for the oil pump crankcase hoses, a visual inspection should do.
By thalweg in forum Four Stroke and Direct Injected Two Stroke EnginesReplies: 0Last Post: 09-08-2008, 08:06 PM. Changed both the tank and sensor. I am now LOST AT SEA and don't have a paddle to row with. No signs of the "Engine Guardian System" affecting speed - had to get back to dock, and it ran at 4000 revs normally (but screaming! Does it do its self check when you turn the key on? You want to make up a little wiring extension allowing you to make or break the switch connection more conveniently than trying to remove everything while the engine is running. Now, that I think about it, I feel confident that the switch grounds when pressure is low. Troubleshoot and narrowed it down to the oil reservoir float as being defective. 8 gallon remote oil resevoir tank and hold down bracket kit. Once the alarm shuts up, the light will stay on until the problem is resolved. I hope this thread helps the next poor schmuck going through this.