Thread: 250 efi problem

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  1. 03-04-2011, 07:05 PM #1
    irbya
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    250 efi problem

    On take off very sluggish. once on plane operates perfect and great throttle response. problem just started. also idles rough when trimmed all the way down...any suggestions...reg service and water pump done last may. used 2-3 times a month with ring free and marine stabil. yamalube oil
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  2. hooken203
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    #2 03-05-2011, 05:03 AM

    Re: 250 efi problem (irbya)

    Fuel pumps easy to check and easy to fix.
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  3. 201pro
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    #3 03-05-2011, 06:28 AM

    Re: 250 efi problem (hooken203)

    +1 on the pumps and possible the O2 sensor needs cleaned.
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  4. irbya
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    #4 03-05-2011, 04:40 PM

    Re: 250 efi problem (201pro)

    Replaced all plugs and fuel filter. Cleaned O2 and O2 housing. Have 3 new LP pumps and gaskets on way..may do vst filter as well
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