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From a standstill, if I give it a lot of throttle the rpm's start climbimg but eventually the engine runs rough, drops rpm's, and the warning buzzer sounds. The buzzer shuts off at 1500 rpm. Plenty of water pressure and engine temp is fine around 123F so it should not be the temp sensor.The engine remains running. If I start slowly and slowly give it gas it seems to run fine.The engine starts and idles great. I have 200 hours on the engine and around 100 hours I changed the internal fuel filter and an external racor 10 micron fuel filter/water separator. I am about to install racor's new 2 micron filter and a new internal fuel filter. I do believe it is a gas issue. I have recently started testing my gas for ethanol and so far have put in 20 gal (of a 30 gal tank) of non-ethanol regular fuel. It did not appear to have any water in it on inspection. Any other suggestions besides changing the filters I mentioned? This just happened today fishing on the way back in. From 4 stand still starts I had the problem 3 times. From 2 slow starts it ran fine both times. Before that it ran great.
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Update on what I found so far. i changed the oil 100 hours ago and have been lax on checking it. I just checked the oil and it barely registers on the dip stick. Low oil will set off the alarm and reduce the rpm. It only happened when getting going quickly which severly raised the bow and dipped the stern. I have followed all prescribed schedules and it appears to be burning a lot of oil. Would a leak down test be in order? I do not feel comfortable with that much oil being burned. It is under warranty. Any ideas or thoughts? I do not believe I hurt the engine. It reacted as expected. -
It is due for a oil change, you should change oil not just add oil. It's not uncommon for it to use oil between oil changes. Yes the leak down and compression test would tell if rings are seating properly.Comment
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