Question about NEC Mitsubishi MGE 4000 Generator ROU Recoil Starter-Voltage Regulation:AVR. Fr

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Starts and then shuts off

When I start the generator it runs for about 15 seconds and then stops. There is fuel flow at the on off valve screen, the carb has been cleaned, the fuel cap is not stopped up. Please help.

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Could have a cracked spark plug ?

Posted on Feb 20, 2009

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Troubleshooting generators


If this unit dies under load conditions, decrease your load and try it again.
If this happens under no-load conditions, check your fuel supply. Start with the filters, then check pressure and flow.

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1 Answer

Gas in crankcase


Fuel from the fuel tank flows to the carburetor and then on into the engine cylinders. From there it seeps into the crank case.
It's a matter of gravity. The gas will seep until it reaches the lowest point in the engine.
There are two methods of correcting this dangerous problem.
1) When you are done using the engine you can turn it upside down, over a large container that is of sufficient size to contain all the gas and oil that will run out of the engine.
or
2) Turn the fuel valve to it's OFF position when you are done running the engine. This stops the fuel from seeping into the crank case from the carburetor.
(And a heads up from one who has personal, first hand experience. Be sure to OPEN the fuel shut off valve when you think you would like to start the engine.)
If you should have this happen again DO NOT try to start the engine!
(That's one of the reasons The Da always said, "Did you check the oil before you started that engine?")
Dump out all of the oil that has been contaminated with fuel and replace it with fresh oil.

Dec 24, 2013 | Briggs & Stratton Power Products 5,550...

1 Answer

Honda generator


The running on choke is caused by a fuel restriction. Check the fuel flow from the tank to the carburetor.Change the fuel filter if it has one. If its good, then the restriction is in the carburetor. The generator is shutting down due to the low rpm coming from the engine. A carburetor rebuild may need to be done.

Oct 19, 2013 | Power Generators

1 Answer

Colman Powermate Generator will not stay running


This overflow can be caused by:

1. The float sticking

2. Gas inside of the float air chambers

3. The needle and seat have debris in them or a r damaged.

It is not a difficult fix but it does mandate removal of the carburetor float bowl.

You could probably do this yourself. It is much easier if you place the generator on a high work area so you can see the float and needle once you have the float bowl removed. Just make sure you do not drop the float assy so far that the needle comes out of the seat unless you have to remove the hinge pin SCREW for the float to clear the debris near the needles' pointed rubber head.

Thanks for using FixYa

Kelly

Mar 22, 2010 | Coleman 1850 Watts Generator Each...

1 Answer

Onan Generator stopped working in motorhome because the gas got too low. I blew out the front fuel filter,changed oil and filter, air filter, one spark plug and now it won't start. Is there a fuel shut...


Yes it wil not let you run your motorhome out of fuel they set it up that way so you dont strand yourself you may have a air bubble in the fuel line to the generator try blowing air generator fule line back into the tank

Jan 31, 2010 | Watts Onan Portable Generator - 4000 ,...

1 Answer

Starts runs a few seconds and stops until primed again.


Make sure the fuel shut off valve is opened and retry - Not the problem?

Next, take the bottom of the fuel bowl off and clean carb and bowl with carb parts cleaner - wait until dry and re-assemble.

HTH, if so please indicate so
Mike...

Nov 24, 2009 | Coleman Powermate Proforce 2500 Generator

1 Answer

5500 marquie gold startes run for a few nim thin


shut fuel off at tank, pull fuel line off carb ,slowly turn on fuel if fuel flows freely(real good stream)your carb needs replacement(cant buy parts to rebuild EPA) if fuel just barely trickles out . there is a screen in the fuel tank that is probably clogged

Jul 23, 2009 | Watts Onan Portable Generator - 4000 ,...

1 Answer

I have a Coleman Model PM0545007.01 6250 W generator with a Briggs & Stratton Model 204412 engine. It starts fine an seems to run fine (for a while). The problem is, that after about 15 minutes it...


Seems that your carberator maybe clogged at the jets. However, before you purchase a rebuild kit for your carberator make sure the fuel flow coming out of the fuel tank has a steady flow. I have seen where the fuel hole or line at the tank becomes clogged. If you feel the the fuel flow is poor grab a wire type coat hanger and clean out the hole and fuel line. Also, check for fuel filters, replace it if you have one on the genset.

May 07, 2009 | Coleman Powermate Premium Plus 6250W...

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