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Recent content by persuaderkurt

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    Starting Trouble

    At first I thought it was the ignition assembly because the switch plate was spinning as you mentioned. I went ahead and replaced the assembly and made sure I had good connections. I am thinking it is some sort of loose connection with the starter and the cube fuse mentioned. My next step is...
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    Starting Trouble

    I have a 1999 454 MPI. I have a potential problem no one seems to know what it could be or if it is a problem at all. Anyway, when I turn the key to start the very first time of the day or after is has been sitting for a few hours nothing happens. I turn the key back wait a few seconds and it...
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    Engine Trouble

    I finally fixed my problem. It took 6 weeks. By swapping parts and testing I ruled out the gas tank, throttle position sensor, rotor cap, plugs and wires. I was working with a mechanic and Merc tech support and finally decided to replace the ignition module and the computer. That's what did...
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    Engine Trouble

    If the engine went into protection mode would it leave an error code? I am fearful it is sometype of grounding issue and the ECU is reacting to it. Shouldn't I be getting some type of error code?
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    Engine Trouble

    I have a 1999 234 persuader with a 454 EFI. I can run the engine as hard as I want or slow as I want, I just can not run it for more than 1 or 2 minutes straight between 2400 and 2800 rpm's. If I do, the engine bogs like it is starving for gas. The engine never stalls, it just drops bogs all...
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    Engine bogging

    Thanks for the replies guys. I did take it out over the weekend to get the Stabil into the fuel lines and it ran fine. I did not go over 25 because I haven't bought a new prop yet.
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    Engine bogging

    How did you discover that? I am hoping it is not one of those intermittent problems that are hard to isolate and find or something wierd that is going to send a technician on a wild goose chase.
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    Engine bogging

    The last time I used the boat was about 1 month prior. The funny thing was that the engine never stalled. I waited literally 5-10 seconds for my stress level to come down, said a prayer, and gave it gas. It always took off like nothing happened. I have an idea about engines but not to level...
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    Engine bogging

    Naturally, drove off the rocks. Was almost like diving on the gound.
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    Engine bogging

    Worst day ever. I put the boat in at a Yonkers, NY boat ramp and went down to the statue of liberty. Nice ride, however, anytime I tried to go faster that 30-35 the engine would act like it drank some fuel it did not like and almost stalled. It would do this every couple of minutes. The...
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    454 MPI Hissing/Whistling Sound

    MkHammer, I love your websit and your DART engines. Maybe I can save up some $$ and just fix this whistling noise with a brand new MkHammer DART engine. If it came to that I would feel quite comfortable buying from you. You are obviously extremely knowlegeable and your pricing seems...
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    454 MPI Hissing/Whistling Sound

    Guys, Thanks so much for your input. You guys gave me a good list to talk over with the mechanic. I will more or less give him a checklist on things to "check". I do tend to think it is not something serious. I just want to address it before it potentially leaves me in a bad...
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    454 MPI Hissing/Whistling Sound

    Big Red....I did put a new serpentine belt on. I do think the old serpentine belt was adding to the noise somehow. Thanks for your interest and I do enjoy reading your posts.
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    454 MPI Hissing/Whistling Sound

    Thanks for the input guys. I do believe something is wrong. After reading your posts I think it could be something as simple as air rushing over a sharp edge or something more involved like a bearing on something or maybe the power steering system. I do know what you mean about mechanics...
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    454 MPI Hissing/Whistling Sound

    There is no supercharger. The hissing/whistling sound is loud enough for me to think it is not normal. I can't imagine Mercruiser or any decent manufacturer would allow a sound as loud as this to be normal. I originally thought the sound was the serpintine belt and had it tightened. The...
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