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Old 06-19-2011, 04:54 PM
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Default Evinrude Check Engine Light and Alarm

I have a 2001 Evinrude 90 hp Ram Ficht outboard motor and today out on the water the check engine light came on at about 3500 rpm slowed down to idle the light and alarm went out speed back up and on again. The battery recently died and had to be recharged and I added a SE Sport Hydrofoil to help the boat get on plane a little better. The operators manual doesn't give any solutions for the check engine light.
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Old 06-19-2011, 07:02 PM
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You need to have someone read off the code stored in the EMM that set off the Check Engine light. There are lots of problems that can set off the light.
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Old 06-19-2011, 07:26 PM
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Engines prior to yours had a fuel restriction sensor that would set that alarm. The symptoms are similar too.
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Old 06-19-2011, 07:30 PM
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Whaler is correct, u need the code read. Could range from h2o in the inboard filter to engine overhear to emm overheat.

Is the flow from the telltale stream strong? Do you have a temp gauge? Do u have a fuel h2o filter?
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Old 06-19-2011, 07:48 PM
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There is a sep alarm for overheat.
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Old 06-19-2011, 08:21 PM
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Take that hydrofoil off and run it. I bet its over heating.
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Old 06-19-2011, 09:46 PM
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For the check engine lite to come on and slow the motor down, most likely it was for a restricted cooling system that overheated the engine computer (EMM), not the engine itself, a charging or system voltage problem that was out of spec, or an internal EMM problem.

You need a tech with the diagnostic software to check it out, just like you would if your car's check engine lite came on and the motor slowed down.
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Old 06-20-2011, 03:37 AM
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Thanks for the post you were all very helpful. I forget sometimes that boat motors are in the computer age now and have computers on them just like vehicles. I am going to carry to a tech. There is a good stream of water coming out of the tell tale stream and there is a seperate alarm for overheating. Thank you all again!
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Old 06-27-2011, 03:59 PM
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Well the hydrofoil was not the problem. Took to the mechanic today will post the final outcome for future reference.
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Old 07-04-2011, 04:15 AM
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It was a water in my fuel. A fuel sensor located in the fuel filter was picking up water in the fuel. Ran the tank down low, added new fuel and 1 can of Sea Foam and we are back in business. Thanks again!
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