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1995 carver 370 w/ crusader engine rpm issues

GAS engine, transmission and generator repair and maintenance discussion forum.
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Scurvy Dog
Scurvy Dog
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Joined: July 20th, 2015, 12:22 pm
Vessel Info: 1995 Carver 370 Aft Cabin

1995 carver 370 w/ crusader engine rpm issues

Postby bwilson » July 26th, 2015, 3:35 pm

I need help tracking down a problem. I have a '95 carver 370 acmy with crusader 454 XL EFI engines. As I brought the engine down to 1500 rpm the port engine began to vary in rpm...bouncing up and down from 800 rpm to 2000 rpm. The oil pressure gauge would bounce right along with the rpm's. can anyone tell me where to start in tracking down the cause of this problem. Thanks

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Vessel Info: 1989 Carver 3807 Aft Cabin
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Re: 1995 carver 370 w/ crusader engine rpm issues

Postby Viper » July 26th, 2015, 8:01 pm

Could be a number of things but start with the easy stuff first; when was the last time they had tune-ups, like changing caps, rotors, plugs? Pull the cap and check it. If the contacts are burnt, corroded, etc. replace them, the rotors and plugs and retest, then go from there. Fuel filters last replaced when?
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Scurvy Dog
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1981 3007 Aft Cabin
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Re: 1995 carver 370 w/ crusader engine rpm issues

Postby PCOMT » August 28th, 2015, 11:07 am

I experienced a similar problem. After checking points plugs etc and all the electrical stuff, I found the problem to be a plugged fuel filter at the carb.

Replaced and all is well again

I have 3.8 liter crusaders.

Retired, but not tired, Looking forward to getting out there!

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