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The Mariah Owners Club » Original Mariah Boats, Inc. » Original Mariah Talk

Very rough idle

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Old 07-20-2009, 01:59 PM   #1

dleeg5199 is currently offline
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Default Very rough idle
My boat has started to have what I call a very rough idle lately. When I start it, the engine feels like it is jumping and shakes the hole boat. It then stops and runs fine until turned off and started again. Also, sometimes when I turn it off, the engine tries to keep running a little. Can someone give me an idea what this might be?
thanks
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    • Old 07-20-2009, 02:41 PM   #2
     
    SEMIJim's Avatar

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    Default Re: Very rough idle
    These two symptoms, combined, lead me to suspect you're running too lean at idle.

    Jim
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