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EG4000cl honda generator starts up runs for a little bit then dies , oil level is good and i unplugged the oil shut off wire and it still dies , it dont seem to me to be a fuel issue because it starts right back up and runs fine for 30 sec's or so then just shuts off...any advice?

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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deme-tri
  • 90 Answers

SOURCE: New NorthStar generator with Honda GX620 runs only a few seconds.

caborator needs cleaning

Posted on Aug 02, 2009

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  • 77 Answers

SOURCE: onan 4000 start good runs only ten minutsand shuts down,starts up

First locate the oil pressure switch and see if you can bypass it,then see if it runs. If not check the fuel filter and fuel pump,make sure solonoid for fuel pump is kicking on.

Posted on Aug 10, 2009

  • 905 Answers

SOURCE: Onan Marquis Gold 5500 on

A1 controller could be suspect, http://www.flightsystems.com/ can get you going with board cheaper than OEM, last longer too.

Does the generator shut down immediately after you let go of the start switch? If so, you are looking at oil pressure / level fault. Check oil level and sending unit. If generator continues to run for a few seconds and then shuts down, that is due to no or low AC voltage being produced and shutdown occurs. Shutdown for AC usually indicates an open winding or damaged voltage regulator.

Posted on Aug 25, 2009

protek480
  • 1714 Answers

SOURCE: The generator starts up then dies?

Check the oil pressure switch. It will shout you down like that if it doesn't sense oil pressure.

Posted on Oct 01, 2009

dmftrucker
  • 1922 Answers

SOURCE: Engine starts and runs fine for about a minute

try to clean out the carb first with auto parts carb cleaner, then you may need to buy a totally new carb for the unit, as this company will NOT sell parts for these carbs due to the carb setting is sealed & has to stay at a set level for voltage output and setting

Posted on Nov 05, 2009

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First check the oil. If the oil level is low it will not run. If the oil level is good the generator may not be producing power and you will need to troubleshoot the generator.

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Your oil level sensor is bad. It needs to be replaced. If you unplug the wire leads to the sensor you may get the generator to run, but you'll have no low oil level/pressure protection. The oil level sensor is on the engine crankcase usually near the oil level dipstick. You'll likely see a small sensor with a couple of wires attached to it. To replace it, you'll need to drain your engine crankcase before removing the sensor.

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Cranks fine then dies out


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Generator runs for about 10 minutes and then stops like it is running out of fuel. 5500 NorthStar with Honda motor. Waned fuel tank and lines, had carb. Rebuilt and cleaned all out with carburetor cleaner....


It appears you have eliminated all of the fuel related issues. That would leave the generatoor safety circuits as a possible reason for the unit shutting down.

The Low Oil Level Sensor is the major reason that generators shut down when your sure there is not a fuel supply problem. Make sure the unit is fully servied with OIL. If the problem persists disconnect ONE wire from the low oil level sensor and see if the problem persists. If you still have the problem inspect the black or green wire from the Start run switch all the way to the Air shroud on the engine looking for signs of chaffing.
If you can not find anything then you will have to re-focus your attention on the fuel system once again. If you have a solenoid on the base of the carb.. the solenoid can be WEAK and stop remaining open once hot. This will cause the engine to lean out and die.
You should also check fuel flow to the carb. The flow should fill a spary paint can lid in under 10 seconds to the point your worried about it overflowing. Most honda engines have a metal sediment bowl under the fuel selector. Remove the sediment bowl and dump the contents. Check fuel flow again.
- Carb. With the float bowl removed fuel selector ON check fuel flow again by holding a spray paint can lid under the float. It must fill up in about 10 seconds to the point your worried about over-filling the lid. If you do not have a good flow rate here the float needle float needle rubber seat and the fuel manifold are the prime suspects.

I know this generator has the Honda GX270 engine. Some have solenoids (Item 49 this link)
http://www.boats.net/parts/search/Honda/Engine/0/GX270%20VPX5%20ENGINE,%20JPN,%20VIN%23%20GCAB-2000001%20TO%20GCAB-9999999/CARBURETOR%20(2)/parts.html
^- No details!

Honda engines by model and VIN can be found here:
http://www.boats.net/parts/search/Honda/Engine/0/parts.html

At this time I think the low oil level sensor (sending uint) may be the culprit causing your problem.
Item 2 this link:
http://www.boats.net/parts/search/Honda/Engine/0/GX270%20VPX5%20ENGINE%2C%20JPN%2C%20VIN%23%20GCAB-2000001%20TO%20GCAB-9999999/CYLINDER/parts.html

Thanks for choosing FixYa,
Kelly



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1 Answer

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