Why is my Onan generator not getting fuel?

Why is my Onan generator not getting fuel?

The first thing I would check for is a clogged fuel filter. If the fuel filter/s is not clogged then you need to check the fuel line for any loose connections between the generator and the fuel source.

Does a Onan 5500 generator have a fuel filter?

The 5500 has two fuel filters, one just before the fuel pump under the generater and the one just below the Carb. Onan is evidently aware of this problem because they now have a different filter for this model and recommends that you put the new filter before the fuel pump and do away with the filter under the Carb.

What are the signs of a failing fuel pump?

Seven Signs Your Fuel Pump Is Going Out

  • Sputtering Engine. Your fuel pump is telling you something if your engine starts to sputter once you’ve hit the top speed on the highway.
  • Overheating Engine.
  • Low Fuel Pressure.
  • Power Loss.
  • Surging Engine.
  • Gas Mileage Decrease.
  • Dead Engine.

What happens if you have low fuel pressure?

Decreased Fuel Pressure Low fuel pressure can lead to engine misfires, low acceleration, rough idles, and engine stalls. If your check engine light is on and your car has been stalling out, you may have a fuel pump failure.

Where is the fuel filter on an Onan generator?

The Onan 4000 fuel filter is buried in the generator cabinet as well as the toyhauler compartment.

How long do you prime an Onan generator?

Hold the prime button in for 30 seconds or even longer if the fuel line is empty so that the pump has time to deliver fuel to the carburetor and fill the float bowl.

How much fuel pressure does an Onan generator need?

Onan has always used a low pressure pump their small units. 1.5-4PSI is the normal range.

Where is the fuel filter on an Onan 5500?

Joebruns – typically, for an Onan 5500 generator, they mounted the fuel filter/ fuel pump combination on the underside of the motorhome directly below the generator. The fuel line connects diretly into th fuel filter which can be screwed off of the fuel pump, similar to how I show in this article. Have a Great Day,

Where is the fuel line on an Onan generator?

The actual output fuel line from the fuel pump to the input of the fuel cut-off valve that is inline to the carburetor of the generator. So, the very first thing I did was disconnect these two wires and this fuel line.

Why does my Onan Marquis 5500 generator stop?

Question: I have a 2008 Fleetwood terra with an onan marquis 5500 generator. The generator will start and come to full power for about 3 minutes then it starves the engine and stops. I was told the control box on these units causes this problem however I don’t want to spend 500 bucks on a new one if I don’t have to.

Can a fuel pump be replaced while lying on your back?

The position of the fuel pump and fuel filter on my RV though meant that to replace the fuel pump, or even just to replace the fuel filter, you had to get under the RV and work while lying on your back. I didn’t like this, but it was what had to be done.

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