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    2001 evinrude 4 stroke wont run over 2900 rpms

    Trip to lake was successful ! Motor ran well and came up without surging. I did briefly get a HOT alarm while idling at ramp waiting on wife to park trailer. Going to go ahead and replace water impeller. Other than that started and ran well. Again, I appreciate the help and suggestions on...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    I’m About 60 miles north of Austin. Been brutal hot this year even for those of us who have lives here all our lives.
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    2001 evinrude 4 stroke wont run over 2900 rpms

    Will put that in my tool bag. Did not realize it could cause issues. Will not make that mistake again. Thank you for all your help. Going to try to get it in the water Thursday evening after work. I live in central Texas area and our local lake is terribly low. It is like a mine field...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    I am claiming victory but will not have a chance to go to lake for a couple days to “test” Still gettin code… will check wiring more and possibly order new IAT sensor, by it does not appear to be causing the SLOW mode. Overheat went away when I repositioned the ears so the matched the intakes...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    Ok in the manual I found that it has “flushing” plug. So that is what I am seeing. At it does not have telltail like other motors.
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    2001 evinrude 4 stroke wont run over 2900 rpms

    Pulled the IAT still got code. Jumpered the contact and still got code. Something has changed though. With ears on I can put the motor in gear and go to over 3000rpm with no surging. But… after a short time the HOT light come on. Never tried to run a motor at those high rpm with just...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    Attaching a couple pictures and video. If I read the light correctly it is flashing a 23 code when I fist turn in key. Did this before I even tried to start. The Suzuki code reference indicates this will put motor in safe mode the evinrude manual say does not put in SLOW. If I read...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    Crosbyman, thank you for reply. This morning I think I was able to eliminate the fuel bulb as the issue. The paragraph you highlighted about ECU kicking in if motor starts at too high RPM has my attention. I start my motor giving it near full throttle and it surges until I bring it back to...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    Best I can tell the neutral switch is working ok. At least it is being opened and closed at right times. Just visual no electrical testing. I and still bothered by two things… possibly related? No water discharge- is that by design? Also bulb in fuel line never really firms up good… possibly...
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    2001 evinrude 4 stroke wont run over 2900 rpms

    thanks for the repsonse. I am looking at parts diagrams to help me identify it. all those parts crammed in a small space ! will try that tomorrow afternoon. Tied up with grandkids tonight and in the morning
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    2001 evinrude 4 stroke wont run over 2900 rpms

    this is a resurrection of an old post from 2013... I have the same Evinrude with the same issue. model E50PL4SI, serial # 18008304 Idles fine but when RPM reach 2900 it begins surging and will not go above that point. I am in the process of trying to buy a service manual as suggested., but have...
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    2001 evinrude 4 stroke wont run over 2900 rpms?

    I realize this is an old thread, but I did not see where the issue had been resolved. I have the same Evinrude with the same issue. model E50PL4SI, serial # 18008304 Idles fine but when RPM reach 2900 it begins surging and will not go above that point. I am in the process of trying to buy a...
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