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Hello, I have a 2003 commander. The engine is a 5.0 Merc…

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Hello, I have a 2003 commander...
Hello,

I have a 2003 commander. The engine is a 5.0 Merc Cruiser I/O 260 hp. When the boat reaches about 32 mph or 4000 rpms the engine keeps going but the accelerations stops and we are forced to back off the throttle and start over again. I have been to 2 seperate mechanicks and the problem is still a mystery. I was told the prop is fine and the Hub is ok. Do you have any suggestions?
Submitted: 8 years ago.Category: Boat
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Answered in 1 hour by:
6/23/2010
Marine Mechanic: Whitecap36, Marine Technician replied 8 years ago
Whitecap36
Whitecap36, Marine Technician
Category: Boat
Satisfied Customers: 1,545
Experience: 28 years Certified Marine Technician and past FL State Certified teaching degree
Verified
Hello, I'm Mike.
When you say the engine keeps going are you referring to the rpms keep going up and if so how high will it go? And so the speed gets to a max of 32 mph then, do I have this correct. Also can you give me a little history, like how long have you had the boat? when was the last time it ran well? When did this problem start? has there been any repairs or problems around the time this started to happen? Also can you supply me with the serial number of the Engine? Sorry this was suppose to be a request not an answer but I can't change it. Please do not accept this yet.

Edited by Mike on 6/23/2010 at 1:20 AM EST
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