Question about Champion 3500/4000 Watt Portable Generator

1 Answer

Champion 3500 watt generator shuts down after 1 min. Not low on oil!

Fuel bowl is clean, starts easy just shuts down after one minute, oil level shows full, settine on level floor, air cleaner is clean.

Posted by Forrest Parker on


1 Answer

John Bond

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that gotĀ 5 achievements.


    An expert whose answer gotĀ voted for 20 times.


    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 101 Answers

You have a carburetor problem. Stuck float or clogged filter. Gas cannot get into the carb as fast as it is used. Letting it sit for a few minutes will allow the bowl to fill.

Posted on Aug 02, 2012

  • W H Thomas Sep 09, 2013

    That won't solve my desire to have the transfer board hooked in, if no one is here to shut it off. It actually will start right up the 2nd time without waiting more than 5 to 10 seconds. If I'm not here, right now I can't have it tied into the transfer board, which is why I got the board to begin with. My ideal setup is for it to respond immediately whether I'm here or not.

  • Ted Reisner
    Ted Reisner Jun 08, 2014

    Mine runs as long as the choke is closed. As soon as I open the choke, it dies. Carb was cleaned and fresh gas put in but still same.



Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

My 3500 watt Coleman genset with a Briggs and S engine starts fine but shuts down after 10 mins to 1 hr of running. then starts again on the first pull??

Most likely oil sending unit or fuel vacuum lock. Easy to check. Run with gas cap loose to allow air into tank. if it still shuts down, temporarily disconnect oil sensor. If the oil sensor is giving false reading and shutting down the engine, just leave disconnected, however, be diligent about checking oil level. Good luck.

Feb 02, 2016 | Coleman Electrical Supplies

2 Answers

I Have a Rural King Generator it starts Fine but only runs a few minutes and it shuts off

Make sure the gas is fresh. Also, take off the carb bowl and look for signs of gumming. If there is gooey stuff in the bowl, then the carb needs to be cleaned.

Oct 21, 2014 | Sigma Powers Inc Rural King 6,500 Watt...

1 Answer

Starts and runs fine until you open choke dies instantly

Carb has debris. Take float bowl off and clean and if that doesnt take care of it-clean carb completely

Jul 26, 2014 | Champion 3500/4000 Watt Portable Generator

1 Answer

Champion 3500 generator how to fix stuck float

It could be a carburetor problem or it may be the low oil cut off switch. Check to make sure oil level is up. If it is check the needle valve attached to the float and the seat. The old carbs used to have a brass seat. Some of the new carbs have a rubber seat and it may need to be replaced. Hope this helps.

Dec 31, 2013 | Champion 3500/4000 Watt Portable Generator

1 Answer

I have a Champion generator 6000 starting watts modle number 41115 starts and runs for a few minutes then shuts down , has fresh gas and new spark plug.

Is the oil level good, does the low-oil cutoff switch work properly? Try bypassing the aforementioned switch to see if it fixes your woe.

Nov 05, 2013 | Electrical Supplies

1 Answer

I have a 8000 watt honda gen with 13hp motor out of no where It shut down starts right back up.I changed gas filter,air filter, oil,spark plug again only cause Ive bought new plugs before and they were bad...

The low oil level sensor may very will be causing the problem. Make sure it is fully serviced with oil and then see if it still keeps sutting down at random. If this resolves the problem great. If the problem persists try disconnecting ONE wire from the low oil level sensor. If it still keeps shutting down load or no load remove the fuel float bowl from the bottom of the carb and check for debris. Check fuel flow float bowl removed. It should fill a spray paint can lid in 8 to 10 seconds to the point your worried about over-flow. If you can not get this rate of fuel flow... check the fuel filter, sediment bowl under the fuel selector and the fuel tank exit port. Then clean up the float bowl / bowl nut (or solenoid) and reinstall it.
Still have the problem... start looking at the wire to the fuel solenoid on the bottom of the carb (if used) and the ignition wire to the stop run switch for any signs of chaffing all the way from the start runn switch to as far as you can follow it on the engine without disassembly.

I would appreciate any feedback.
Thanks for choosing FixYa,

Sep 15, 2011 | Honda Electrical Supplies

2 Answers

Onan generator dies after 2-3 hours of running , wiil not restart rigt away wait 10 minutes starts no problem then runs for 15 minutes shuts down and keeps reapeating on 15 off 10

This sounds like overheating. These small generators don't have overheating protection, but if a low oil pressure or low oil level is present it may be the reason for stopping.

Check the oil level in the starting conditions and again when it stops. It may become under the "stop" level and after some time the precipitated oil has reached the "start" level. The same may be with oil viscosity and oil pressure.

Try to add some oil or change the oil with bigger viscosity.

Jul 07, 2010 | Watts Onan Portable Generator - 4000 ,...

1 Answer

I have a new Guardian 40G generator that won't start (correctly, anyway). When I squirt gas into the intake it runs until that is gone then dies. The fuel pump is pumping gas to the carb. but it seems to...

Try to measure the voltage at the connector when trying to start.
If it is 12 V and the engine does not start - disconnect it and try again.

Have in mind that you must have protections (Shut down):
  1. Low oil level;
  2. Low oil pressure;
  3. High temperature.
and this valve may be responsible for them.

Jun 20, 2010 | Guardian Rv Generator 4800 Watt, Gasoline,...

Not finding what you are looking for?
Champion 3500/4000 Watt Portable Generator Logo

3,043 people viewed this question

Ask a Question

Usually answered in minutes!

Top Champion Televison & Video Experts

Cindy Wells

Level 3 Expert

6136 Answers

Lee Hodgson
Lee Hodgson

Level 3 Expert

4810 Answers


Level 3 Expert

6740 Answers

Are you a Champion Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides