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engine check light

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=31467
Printed Date: October-08-2024 at 7:24pm


Topic: engine check light
Posted By: Peterpapineau
Subject: engine check light
Date Posted: September-06-2013 at 9:47am
This is peter
I have check engine light and loss of power.1997 Nautique 5.80 fuel ejected ford engine. Plugs are new, fuel filer is new, carter fuel pump is new. Runs extremely strong out of the hole and up to 3300 rpms all day long. Once up around 3600 and above it runs about two minutes the engine light comes on and a loss of power accrues. I can get it to recover by slowing down to 2500 Rpms for 20 seconds light goes out and then it will power back up for two or three minute's. I have cleaned high pressure cell and inspected its fuel line too. It has the black rubber one with factory clamps, not the clear tube I read about that has the failures. I am moving towards sensors. Any ideas



Replies:
Posted By: lewy2001
Date Posted: September-06-2013 at 10:40am
Peter, this is straight from the GT40 manual in the reference section.

Your engine is going into limp mode or SLOW as it is called on the GT40 engine.

The switches for the SLOW feature are in addition to the gauge senders. I assume you have checked the the engine temperature and oil pressure gauge readings are OK.
You can test by removing the wires from each switch one at a time to isolate faulty switch.



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Posted By: Peterpapineau
Date Posted: September-06-2013 at 11:12am
Lewy
Thanks for the great tip. Temp is good not sure on oil pressure I do not have a way to test. I will try the wire test for faulty switch. I think we are on the right track. Thanks


Posted By: dochockey
Date Posted: September-08-2013 at 11:55pm
Hey Peter where do you ski in Park City area ?

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1989 Teal Ski Nautique
1967 Mustang
Harris Float
Sunfish


Posted By: Peterpapineau
Date Posted: September-09-2013 at 10:18am
We ski on several reservoirs. Local shot fifteen minutes Jordanell state park most often. Also Deer Creek, and Rock Port State parks. Usually find my self on a road trip once a year to Jackson Lake Wy. in the Teton National Park.
   I am checking out my engine problem today.



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