No signs of the "Engine Guardian System" affecting speed - had to get back to dock, and it ran at 4000 revs normally (but screaming! There is no specific code that indicates a bad system check gage/tach unit. Now disconnect the pressure switch lead and restart the engine. It is also a good idea to change the lube to ensure there is no moisture/water in the bottom of the oil tank. New, imported from the States just a little over R4K delivered to my front door. Sketchy is the best description. I recently had same issue and fixed with new motor mounted oil reservoir. Been to a Merc dealer and they took 3 days to confirm my diagnosis of low oil level warning, and it took me less than one day to diagnose my problem. It ranged from shorted out sensor, to broken alternator bolts, (there was a lot of slack in the belt when running, and a flat spot on the pulley), to oil tank issues. If yu want to run it and you KNOW the tank is being replenished properly with oil, then unhook the wire to the sensor and use a paper clip to jump the terminals on the wire on the engine side of the connection. Faulty oil sensor in Mercury 75 two stroke - OK to disconnect. This Forum and others say it's a faulty sensor (see below), and my question is can I just leave it disconnected until it's next service, which is 9 months away? For example after drift fishing and short runs to adjust position.
Fitted new parts to tank then installed before connecting clamps etc. Or, are you getting a check engine warning also? Optimax Oil Reservoir Sensor Replacement. 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. I heard from a friend that its a bitch to replace and I would have to get the whole tank replaced. Have any of you heard of issues like this? Mercury oil reservoir tank sensory. When I reconnected it my alarm starting going off. Low oil float switch in. Is it possible to replace the oil sensor on a 225 Opti? Joined: Mon Jan 14, 2013 6:10 pm. 1 Product Questions. Visit the ETEC board but they do no answer FICHT quieries do a searfch on code 38s. Turns out you have to have a magnet of a very specific strength so that the sensor can get the correct reading from the magnet, too strong or too weak a magnet and you get an alarm, easiest thing buy a new tank then experiment with the old one much later.
Replace check valve. 1999 Mercury efi Will fit other models, check PN Condition: Used, Manufacturer Part Number: 37-825068, Brand: mercury, Warranty: 90 Day, Country/Region of Manufacture: United States. Reservoir cost me just under 150$. Original Equipment OEM QS-8M0075709. Found Crowley Marine online with the best pricing. 828361A2 Oil Tank Assembly - Mercury Marine | Crowley Marine. And yes, I realize it is not easy to remove the intake cover and get at that switch while the engine is running. Unfortunately, seems like this is an intermittent problem, so this approach could be very frustrating.
BIG FAT BASS LIVES MATTER. My opti max is a 2006 225. Anyone care to share their experience with this? If you have a steady alarm going off but the oil is not low it is most likely the oil sending unit. Oil System Troubleshooting; Low Oil Warning System Is Activated - Mercury Optimax 115 Service Manual [Page 216. Internet pages are easy to navigate and with the vin # of my motor took me right to the area of parts I needed with clear view diagrams. Problem fixed: Oil Level / Overheat Alarm (constant audible). Float valve bad in oil tank.
That would have to be ordered separately. The 2-cycle oil sensor is sealed in tank, went bad had to replace tank. Problem fixed: Oil tank leaking. The factory and others said that they had never heard of this code before. I'm posting this to help anyone else out there with a similar problem. Mercury oil reservoir tank sensor 1995 cadillac fleetwood. Check the float in the small oil tank on the motor. Above all, please be careful. PS: Just thought of an easier way to check that pressure switch warning. So, if you run your electronics from your cranking battery, and its not deep cycle, wont it run down quicker. Joining AOMCI has priviledges 🙂August 3, 2022 at 9:33 am #263971.
I'm hoping a $100 battery will solve my problem but I sure wish they would have discovered this BEFORE I dropped $1, 500 on replacing the oil pump that may have been perfectly fine. In other words, the alarm should sound briefly, all the warning lights will come on, then go out one at a time. Sealed and installed tight. Short term, I took my old sensor, cut the wires, and wire nutted them together to bypass the magnet/low oil alarm/limp mode drama. By MikesXpress in forum Technical DiscussionReplies: 26Last Post: 02-05-2006, 07:38 AM. BEEP BEEP BEEP BEEP. Fitted and tested 2 new oil tanks, with 2 new sensors and THAT DIDN'T HELP. Blue wire is shorted to ground. 11-23-2020, 03:35 PM #9New Member. Not understanding how this gage functions can create more frustration and inaccurate assumptions. Do you have smart craft gauges giving you a warning? The no oil light should come on (no alarm) until you remove the lead from ground.
All (4) mounting screw holes are clearance in the pump housing and are threaded into the mounting bracket thereby also clamping the housing halves onto the diaphragm. You need to take a pin off the centre of an outer& inner grommet and install on the new tank. I see the sensor on ebay for $20 and the tank for $150 so its a pretty big diff. Now, you could take an ohm meter on the high scale and connect one end of the lead to ground the other end to the pressure switch terminal, the meter should show infinity. Trying to fix them to where they will last with any consistency is a lot like building a ship in a bottle. Refill both oil tanks. Sometimes the oil gets gelled up a bit with time and may be causing a flow issue. Contacted company and troubleshooted to determine the cause.
8 gallon remote oil resevoir tank and hold down bracket kit. I have a Evinrude 90HP Model E90FPLEEC, SN G04545987 that sometimes triggers the "NO OIL" alarm. It fixed the oil alarm issue though so I am happy. I have a 2002 225 Opti Max with same problem a few years ago, replaced the oil tank with sensor on the motor. If so, you might try the following the next time it happens. Problem fixed: Low 2-cycle alarm float stuck in tank. Have had the sensor plugs tested and we get all the desired readings there.
Ning and electrical system under. On early ETEC 2004-5 a new oil pump and software fixed the code 38s. If you can do that, bless ya man! Once the alarm shuts up, the light will stay on until the problem is resolved. 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. Second Hand R3k excluding postage. Every day I beat my own record for the number of consecutive days I've stayed alive. Mine was the oil sensor in the tank on the motor. Problem fixed: Continuous sound- oil low. You should get the diagnostic software for your MODERN engine 🙂 fault codes will be listed. What made you think it was the low oil level censor? Another thing to consider is that these system check gages were notoriously unreliable back in the day, so it could be a problem with the tach/gage as well.