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Goldneye1's avatar
Goldneye1
Explorer
Aug 11, 2015

Generac will not start / smell of gas

Over the weekend I ran the Generator for about 2 hours all of a sudden it just quiet like it ran out of fuel has 1/4 tank in it. Tried to restart over and over and started to get a strong gas smell (seems like the carb is flooded). I let it set over night and still nothing. Any help would be great. Model # 4700-0

Sorry mods I original posted this in the Class A forum.

28 Replies

  • midnightsadie wrote:
    if your main fuel tank is at a quarter of a tank the gen set will not run ,safety feature.


    motorhomes yes, trailers no.
  • Check oil first. Should have a low oil sensor. Mt Onan flashes error codes... Have you checked the generac manual for something similar?
  • I would start with the cheapest possible fix. A new plug. They don't fail often but they do fail just the way you said it stopped. I always carry a spare for any small motor I have.. Good luck.
  • if your main fuel tank is at a quarter of a tank the gen set will not run ,safety feature.
  • Check the easy stuff first. Remember, you only need three things to get combustion.

    Air - already been mentioned

    Fuel - check

    Spark - first check to make sure the boot didn't come off the plug. If not, check for spark

    I had the magneto go out on my generator in less than a year. Hopefully that's not your problem.

    If you have spark, spray some starting fluid through the carb. If it starts time to rebuild the carb. If it doesn't start and you have spark...ummm...probably time to bring it into the shop, unless you have knowledge of tearing down small engines.
  • There are various kinds of toy haulers; is yours a 5th wheel ?

    Check the air filter/intake to be sure it hasn't tried to ingest a piece of paper or plastic......or the air filter itself.