Question about Honda EU3000iS Inverter Generator

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Honda 3000is runs great on eco but hesitates and either stops the load source or stops running itself when under load.

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Sounds like the throttle control motor is not adjusting the engine speed to compensate for the load. Does the generator rev up to full speed if you turn OFF eco with NO load?
Funny thing, I have one on my workbench that is doing pretty much the same thing. Runs on eco, revs up with eco off with no load, coughs, sputters and dies with a load in either mode. I will update with what I find when I figure it out in the next week or so. Have a new carb on order.

I swapped the carb and it made no difference. Still backfiring (rather dramatically) and won't stay running. I see on some other posts that Valve lash will cause this. It makes total sense as the exhaust valve gap actually tightens as the engine wears which would keep the exhaust valve slightly open when it ain't supposed to be allowing raw fuel to enter the muffler.
With this one I can believe it as it has a ton of hours on it and I know they have never been adjusted.
I will try to get a chance to do it over the weekend and update this post when I do.

Posted on Apr 01, 2015

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Posted on Jan 02, 2017

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TLFederline4
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SOURCE: sputtering and hesitating

Try replacing the PCV valve, and spray the carb, or throttlebody, with a good carb and choke cleaner.

Posted on Apr 10, 2009

Robert R
  • 7 Answers

SOURCE: 2004 Ford F-350 6.0 Turbo Diesel - Severe Hesitation at Take Off

Some of these engines have a place to drain water out of the fuel system.. Some fords actually have a stick under the hood that you push or pull That opens a valve on a water collection bowl. It's not labeled usually. It might state where it is in the owners manual under fuel water drainage or something similar.. if that bowl is full it will cause hesitation... If it gets over full it will cause runability problems. Another possibility since you said it's black smoke is one of your injectors is sticking at low rpms and squirting raw fuel into the cylinder till the rpms get up enough to burn that fuel off completely then then the injector works a little better.... Do you notice any missing... Feel something under the hood like the air cleaner housing and make sure the vibration is constant and doesn't have a small sudden shake and the n smoothe... And then a small sudden shake again.
If it does have this shake you can trouble shoot which injectors by with the engine running loosening an injector line and seeing if the engine runs worse or not.. If it runs worse tighten it up and move to the next line till you unscrew one and feel and hear no difference... When you find that one that's the injector with the problem.

Posted on Apr 22, 2009

  • 1 Answer

SOURCE: Car stumbles,hesitates,loses power on Hwy, randomly

Did you check earth connection of electric system?

Posted on May 10, 2009

  • 5 Answers

SOURCE: Ford F-350 6.0 Turbo Diesel - Severe Hesitation at Take Off

sometimes when the motors under enought pressure it will black smoke..so mabe the transmission is hanging up or something in first gear,,,i can rev my truck up all day and it wont black smoke when these a sever load o it and i hammer down it putts a bind on the motor and fuel is steadly being pump into the motor causing unburn fuel witch is black smoke..so maybe you want to go check the transmission or the fuel PUMP not the filters

Posted on May 17, 2009

  • 1 Answer

SOURCE: hesitation under load ,creating a misfire code that clears in three drive cycles

Egr valve port hole have to remove the intake to clean but that's my problem rite now on a 4.3 vortec the port hole gets cloged with carben not slowing it to work properly.

Posted on Jun 07, 2011

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