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I have an eu1000i honda. the engine will surge up and down in the low speed position until about a half load is put on, then it runs OK. also is OK in the full speed position. I cleaned the carb and spark plug,also exhaust, and air filter. It's slightly better as it warms up. Sid

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You still have partially clogged idle circuit, these are very small and hard to clean. The carb is really not that expensive and will definitely fix the problem.

Posted on Nov 18, 2009

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Engine runs but stalls when you put a load on it


As the load goes up on any gas engine, the governor is supposed to open the carburater as needed to keep the engine speed up. It is normally a vertical lever with a spring attaching it to the carburater throttle linkage. Look it over and you will see it. Is it working?

Nov 24, 2013 | Honda Eu1000i Eu1000 Generator Service...

1 Answer

Increase then decrease idle when engine is cold especially


cold engine idle surge. (problem)
RPM range of surge not stated
300-700 or 800 to 1500? (range is critical to diagnosis)

bad fuel
running summer fuel in winter (running old fuel?)
needs a tune up bad, see the list in the operator guide.
idle speed controller,sticking or EGR valve same. (clean them)
location not stated, so cant guess about local air temps.?
no other symptoms, lack of engine power? etc?
was it ok last week, or better, when was the last time it was OK?
1week, 1year?
surge , causes, on a tuned engine might be:
1: too lean. so lean the ISC can not control idle. rpm low, stalling
2: too rich, flooding, stalling, spark plugs foul (look at them)
3: weak compression in 1 or more cylinders.
4: bad spark.
5: air leaks, in the plenum causing , ISC to lose control.
why high RPM?

especially?
well that means it fails hot too.
and there is a simple tests. for hot surge.
is engine fully hot? 180F and holds solid there?
say rpm is about 800
and you turn on head lights, heater fan and (not AC) and defrost.
the RPM must hold or the ISC is failing.
ISC -= idle speed controls. (all EFI has this function)

Oct 28, 2013 | 1996 Honda Prelude

1 Answer

John Deere 430, Sundstrand series 15-U hydrostatic transmission. The tractor, at low ground speed, surges as it moves, in both forward and reverse, at any engine speed. At full ground speed, the surging...


you sure your engine isn't surging... you would see it at lower speeds... my motorcycle surges at a certain rpm due to fuel ratio's at the one speed ( running lean )... so what i am saying is, could it be that the engine surge only shows itself at a certain ground speed.

or is it because of a hydro system pressure relief valve ???

Oct 08, 2013 | Garden

1 Answer

Eu1000i runs and cuts off.....pump is good


If you haven't had it started for a while and have left gas in it, you probably have old/bad gasoline. Drain it and put new gas in. It may have clogged the fuel filter with rust and sediment from the old gas. Next time, put "Sta-bil" in it when you store it for the season, it will stabilize your gas.

Jun 21, 2012 | Honda Generator Cover Eu1000i Camo

1 Answer

Want to verify reasons why 95 Honda Odyssee engine wants to stall and die at low speed


This is almost always caused by a dirty throttle valve and automatic idle speed control valve which is on the throttle body. Do the following to clean the system up.

To correct this problem Buy a can of throttle valve cleaner (it is made by CRC) from the local auto parts store, NEVER USE CARB CLEANING SPRAY, IT DESTROYS THE ANTI-STICK TEFLON COATING, spray it into the air intake through the throttle body of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean, if you continue to have the idle speed control problems you may need to seek the help of a professional.

Feb 12, 2012 | Honda Odyssey Cars & Trucks

1 Answer

1997 honda odyssey rpms go up and down while in park and trys to stall out when in gear and take foot off gas pedal


The idle speed in your car is controlled by a computer (known as the PCM), the computer controls a valve called the Air Bypass Valve, this valve and the throttle valve get full of sludge from fuel vapors and combustion "blow back", this causes the valve to stick or move slowly, this in turn causes surging (speed goes up and down) in the idle speed of the engine, it is the most common reason for idle surge on any fuel injected gas engine up to about 2004 when car makers starting using electronic throttle control. To clean the idle speed control valve and the throttle valve do the following.
To correct this problem Buy a can of throttle valve cleaner (it is made by CRC) from the local auto parts store, NEVER USE CARB CLEANING SPRAY, IT DESTROYS THE ANTI-STICK TEFLON COATING, spray it into the air intake through the throttle body of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean, if you continue to have the idle speed control problems you may need to seek the help of a professiona

Jan 31, 2012 | Honda Cars & Trucks

1 Answer

My Honda 13.5hp engine has started surging. It seemed to occur after the air filter fell off during mowing for a few seconds. I have tried cleaning the carburator but it still surges. Anything else I can...


Hi sndlys,
When the engine surges (we call it hunting) like that it usually means, the carburetor or the governor need adjustment. You have cleaned the carb. but did you clean or replace the air filter, and did you try to adjust the carb? Since it was running good before I doubt it is the governor. Try to adjust the high speed mixture screw by 1/8 turn at a time and waiting a few seconds to let that adjustment work it's way in the carb. Start by turning the screw out (counterclockwise) a few times. If nothing happens or gets worse turn the screw in (clockwise) a few times, but do not go less than 1 turn out from a lightly seated position. (turned clockwise until lightly seated so no damage is done to the seat or the needle screw) to prevent running in too lean a mixture to prevent overheating and possible engine damage. You could try the low (idle) speed mixture screw adjust a bit, but make sure you remember the position you started from whenever you any adjustment at all. I think if the carburetor is clean and the air filter is clean, also that there is a good fuel flow to the carb. you should be OK. I hope this helps out a bit.Get back to me if you need help. All the best and good luck. Denis.

Mar 02, 2011 | Honda Garden

1 Answer

I have a toro snowblower with a 2 cycle engine. When it's just running under no load it seems fine(maybe a little too high of rpm). When it starts throwing snow it gradually slows down until it quits...


It sounds like it is running lean. Back out your carbuerator adjustment screws a quarter turn counterclockwise. These settings should be 1 and a quarter on low speed (closest to engine block) and 1 and a half on high speed (farthest from engine block). These are starting points the adjustment may vary a little eigther way. Never adjust for max rpms that is too lean and will cause engine failure. Hope this helps ya.

Dec 22, 2010 | Toro Garden

1 Answer

How can I shut my Honda eu1000i off from inside the cabin?


You should not have to cut any wires to install a remote kill switch. Most honda engines have an oil alert what will cut ignition if oil level is low. The switch actually shorts the itnition to ground just like the on / kill switch. Just unplug oil alert wire from harness and add a homemade connector with second lead and connect another wire to ground/frame of generator engine. When you short these two wires together it should kill engine. Solder these two wires to a female connector (Radio Shack) and just leave inside generator when you want remote switch. Attach switch to leads of desired length of male connector to mate with female connector at generator. Good Luck.

Jul 10, 2010 | Honda Electrical Supplies

1 Answer

Racing of a Honda 160 CC lawn mower engine


When a small engine "surges" in all speed ranges the possible causes are:

*Dirty air filter

*Water or contamination in the fuel system.

*Breaks in the spark plug wire (leaking), loose or corroded terminal connections causing an intermittent failure.

*Misadjusted or malfunctioning governor.

Problems with surging only when under load or at idle are likely caused by carb blockage or misadjustment.

Hope this helped and good luck to ya!

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