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Related Small Engine Questions
Onan Marquis Gold 7000 generator cranks over but won't
Onan Marquis Gold 7000 generator cranks over but won't start. Starts but won't continue running with shot of starter fluid. … read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
5500 marquis quits after 10-30 min. cleaned carb bowl. no
5500 marquis quits after 10-30 min. cleaned carb bowl. no debris. code 36 on primer sw/lt. … read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
It appears that I have a code 37, Generator has been sitting
Generator has been sitting for years. I put new fuel pump and cleaned fuel shut off solenoid.. it runs for about 5 second then shuts down. … read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I have a 5500 onan marquis generator, problem is it shuts
I have a 5500 onan marquis generator, problem is it shuts off durring operation. Oil it to the top of the full mark and new Fuel filters and air filters are new Seems to happen under a load Any ideas?… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
2005 Onan 5500 Marquis Gold, runs about 20 to 30 minutes and
2005 Onan 5500 Marquis Gold, runs about 20 to 30 minutes and shuts down with code 36. Will restart after cools down. However, when it stops there is no fuel in the carburetor bowl- observed by opening… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I have an Onan Marquis Gold 7000 generator that stops
I have an Onan Marquis Gold 7000 generator that stops running after random lengths of time. Anywhere from 3 hrs to 10 minutes. It gives me a code 47 error. When you try to restart, it may fire right b… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I HAVE A ONAN GENERATOR THAT IS FLASHING A CODE OF 3 AND 6
I HAVE A ONAN GENERATOR THAT IS FLASHING A CODE OF 3 AND 6 WHAT DOES THAT MEAN and WHAT DO I HAVE TO DO TO FIX IT… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I have a onan marquis gold 5500 gas gen set in my toy hauler
I have a onan marquis gold 5500 gas gen set in my toy hauler I'm getting a code 36 It shuts down after running for 5 to 10 minutes there is fuel in the bowl and i have fuel coming from the pump just w… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
Hank, I am having a problem with my onan 5500 marquis gold
Hank, I am having a problem with my onan 5500 marquis gold generator. When I start the genset I get a code 12 which is over voltage. It will run about 20 seconds before shutting off. If I run the AC u… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I have an Onan Marquis Gold 5500, Model 5.5HG JAB-1038 D. I
I have an Onan Marquis Gold 5500, Model 5.5HG JAB-1038 D. I did the basic maintenance, spark plug, fuel and air filter, changed the oil with Cummins parts and materials. The runs for 5-10 minutes and … read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I have an onan 7000 marquis gold generator that runs fine for
I have an onan 7000 marquis gold generator that runs fine for 25-30 minutes then it starts to rev up and down every 10 seconds or so. All of the power and a/c stays on line during this.… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
7000 onan Marquis. Shuts down on its own after 10 minutes run
7000 onan Marquis. Shuts down on its own after 10 minutes run time. Thought it was the fuel pump. Still working. Fresh oil change. Taking cover off and blowing cool air on it, still shuts down. Plenty… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
My Onan 7000 runs for only eight minutes before it shudders
My 2004 Onan 7000 runs for only eight minutes before it shudders briefly & then stops. It will not restart for several hours. Could it be old gas as I bought the Motorhome in Sept 2011 with full tank … read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
I have an Onan Marquis Gold 5500 gas, everything was OK until
I have an Onan Marquis Gold 5500 gas, everything was OK until this year, now it runs for 5 minutes and quits. I've read that they have problems with the carb, but how can it run for 5 minutes and quit… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
Onan Marquis Gold 7000 starts ok but once its running it has
Onan Marquis Gold 7000 starts ok but once it's running it has a intermittent miss. It doesn't shut down it just stumbles for a second or less than resumes running fine. Generator feeds off of the moto… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
Hi I have a Marquis gold 5500 gas generator. It will start
Hi I have a Marquis gold 5500 gas generator. It will start and run for about 3 to 4 minutes then stop. I already replaced the fuel pump with a new pump, filter and adapter that onan replaced the(NNN) … read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
The Onan started and ran for about a minute and then shut down.
The Onan started and ran for about a minute and then shut down. Will not restart. Flashing a 36 problem code. There seems to be no fuel in line running from gas tank to generator on the motorhome. Gas… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
My Onan, Marquis 7000 runs only 6 minutes and shuts down. I
My Onan, Marquis 7000 runs only 6 minutes and shuts down. I have rebuilt the carburetor & replaced the fuel pump. What would you suggest might be a cause, possibly with the ignition system?… read more
Hank F.
Hank F.
Technician
17,608 satisfied customers
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