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2001 OX66 150 Rough Idle

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  • 2001 OX66 150 Rough Idle

    Hey guys, i'm new to the forum and needing a little help with my ob. Has been running fine the last two years i've owned it. as of late, though, it has developed a rough idle. it's not a bad idle, but you can definitely feel it though the boat when at low rpms, even in gear. i understand these guys generally idle rough, but this has just recently began to get worse. i have done some research and changed both filters, cleaned vst screen, cleaned o2 sensor, replaced plugs. what's next? i read maybe thermostat or de-carbonization. this thing runs like a scalded dog at high rpms, very smooth, no smoke....took it for a hard run recently to try to clean out a partially blocked injector to no avail. Thanks in advance for help. just needing a little direction.

    jlandgraf

  • #2
    you KNOW you have a dirty injector?
    how are the plugs burning, all the same ?
    i would try a double shot of seafoam or ringfree.

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    • #3
      No, i just thought the injector may be it. the plugs are all burning the same, look fine. thanks for the tip,

      jlandgraf

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      • #4
        bump...... any other ideas?? i just want to make sure i'm doing any long-term damage because it is idling a little rough. i know there are many things it could be, i just want to check the ones i can before i take it to a tech. thanks again

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