Ed.

queensland Great Day Out Turned To Crap.

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Well the stars aligned today, the weather was great, sunny day, sea was flat, the missus wasn't working so we left Bribie Island headed out to Hutchinson Shoal. Got to Morton Island and headed out to the Shoal, about 15 minutes from reaching it, the motor just went into limp mode. No warning or alarms, wouldn't go over 1600RPM, temps were fine, water coming out of the tell tail, plenty of fuel and oil, nothing. So radioed the VMR and told them we were returning.

So did a U turn and limped home, at a blistering speed of 3.5-4.5Knots all the way back, at that stage it wouldn't rev past 1200RPM, my missus reckoned she could walk home faster, you know the saying "are we there yet!" 3.5hrs later we reached the ramp. Not happy Jan!!!

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We had the motor checked out about 8 motor hours ago and also the impeller changed, pulled the cover off it at home but no obvious clues, oil bottle full and no loose cables or anything, so looks like it will be back to the mechanics. Even threw out some lures on the way home but no takers. The only alarm we got was about 2 hours in on the way home and it was a single long beep of about 5-8 secs and then nothing else.

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5 minutes ago, Ed. said:

Well the stars aligned today, the weather was great, sunny day, sea was flat, the missus wasn't working so we left Bribie Island headed out to Hutchinson Shoal. Got to Morton Island and headed out to the Shoal, about 15 minutes from reaching it, the motor just went into limp mode. No warning or alarms, wouldn't go over 1600RPM, temps were fine, water coming out of the tell tail, plenty of fuel and oil, nothing. So radioed the VMR and told them we were returning.

So did a U turn and limped home, at a blistering speed of 3.5-4.5Knots all the way back, at that stage it wouldn't rev past 1200RPM, my missus reckoned she could walk home faster, you know the saying "are we there yet!" 3.5hrs later we reached the ramp. Not happy Jan!!!

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We had the motor checked out about 8 motor hours ago and also the impeller changed, pulled the cover off it at home but no obvious clues, oil bottle full and no loose cables or anything, so looks like it will be back to the mechanics. Even threw out some lures on the way home but no takers. The only alarm we got was about 2 hours in on the way home and it was a single long beep of about 5-8 secs and then nothing else.

I would guess at a blocked fuel filter or fuel line but who knows. Anyway, sorry to hear about your terrible trip. We’ve all had them. Unfortunately yours was today.

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Yep will do, it most likely will be some sort of sensor that played up and caused it to go into limp mode. Prior to that I was doing about 3900 RPM and travelling at about 29knots. These high tech engines age getting way too smart and the slightest glitch  and they do the protective mode bit. I had a similar problem with the 26ft boat i had. Towed it all the way to Rosslyn Bay, put it in, anchored for the night at the marina, went to fuel up in the morning and it died about 100mt from the wharf, chip glitched  and motor just shut down Had to get towed to a berth, had to wait for a  few days for a mechanic to come down and  tell me that the main CPU module is cactus and a replacement is about 6 weeks away. So back on the trailer and towed it back home again! I am starting to think that I must have run over a black cat or something! I am jinxed.

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Thanks, will be looking forward to it, providing the weather is good. Last time we went there, we tried to get out to the reef (Tourist Charter boat) but the wind howled all the time we were there so all the trips were cancelled.

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I had an opti on my last boat. Alarm and limp mode triggered a couple of times due to low oil (Always seemed to underestimate oil burn or think i had enough for another trip)

To avoid this issue I just topped up oil for each trip and always had a 1L bottle of oil spare on board.

Needless to say next boat i was only ever going to get a 4 stroke to remove this step.

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Mine was a different problem, I had plenty of oil but as the sensor was faulty, it told the motor there was little oil, as the alarm speaker was also faulty  it did not give me any sound alarms either, it's a bit like if the engine temp sensor was faulty and reading hot when your motor was really normal temp, it would do the same. The modern engines all rely on sensors so when one gives an incorrect reading, the motors are designed to try to save themselves. On the other hand should the temp sensor fail completely and if the motor did over heat for some reason then it would allow the engine to keep running till it seized up.  I supposed mine was the lessor of two evils!

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All these newer motors have a heap of sensors which can go faulty.

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That's makes 2 of us. , although I am a bit hesitant in eating Coral Trout as I had a dose of Ciguatera about 20 years ago and once you have had it you are always susceptible to it, and Coral Trout, Queenfish and Spanish Mackerel  frequently have it especially the large ones, but a nice Red or Spangled  Emperor I wouldn't say no to!

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