I cant accelerate more then2.5k rpm!

stuartdmc

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Joined
Jun 19, 2009
Messages
3
I have a 7.4 GSI/DP Volvo Penta, 454 engine 1998 27 foot Doral, well last week I idled out of the bay which it ran just fine for about five miles then I pulled back to do a little trolling, after an hour I decided to pick it up and move to another spot and noticed that I couldn?t get on plan or accelerate over 2.5-3.0k rpms. I was able to idle back to my slip after which, I have replaces the fuel filter, the plugs and the Isaac sensor but no fix, and I can?t seem to locate the problem. Does anyone have a solution to this problem? Or have had a similar problem?
Thanks
Stu
 

stuartdmc

Recruit
Joined
Jun 19, 2009
Messages
3
Re: I cant accelerate more then 2.5k rpm!

Re: I cant accelerate more then 2.5k rpm!

Ha guys, any similar problems?
Have you ever heard of anything like this?

I also did a compression test all looks good there, I installed new plugs and nothing changed. I am thinking about going to change the oil pressure sensor next, I heard that the engine would go into like a ?safe mold? if the computer senses a low oil reading and my sensor looks really rusty moreover the oil gage reads all over the place low then high, low then high. If that?s not it, then I just don?t know. I wish it was the water in the gas or something simple to find.

I would appreciate any feed back.
Stu.
 

Bondo

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Staff member
Joined
Apr 17, 2002
Messages
70,919
Re: I cant accelerate more then 2.5k rpm!

Re: I cant accelerate more then 2.5k rpm!

Ayuh,... Up in the Adults Only section of this forum,..
Don has written a Very Good list of reasons WOT can't be achieved....
Check it out....
 

bryen813

Seaman Apprentice
Joined
Jun 2, 2009
Messages
30
Re: I cant accelerate more then 2.5k rpm!

Re: I cant accelerate more then 2.5k rpm!

Yeah dons the man so check it out!! report back if you find your solution
 
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