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Onan 4000 generator runs good but not producing any power.
Onan 4000 generator runs good but not producing any power … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
My onan is flashing a code. 3 flashes 1 second pause then 6
My onan is flashing a code. 3 flashes 1 second pause then 6 flashes. What does this code mean? … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
I have Onan 4000 generator that won't start changed fuel
I have Onan 4000 generator that won't start changed fuel pump , spark plug, fuel filter engine will turn over and will prime but starving for gas … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
I have an Onan diesel generator on a 2012 Winnebago Via. I
I have an Onan diesel generator on a 2012 Winnebago Via. I can't get it started. It seems to turn over. Any suggestions. Andy … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
I have an Onan 7000 RV generator that consistently runs for
Hi. I have an Onan 7000 RV generator that consistently runs for about 15 to 20 minutes with the air conditioner load, running smoothly, and then shuts off and won't start back up for a while. Online r… read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
1995 Onan 4000... when I try to start it just makes a loud
1995 Onan 4000... when I try to start it just makes a loud screeching sound. Starter does not turn. I removed starter and had it checked at auto parts store. I worked fine. … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
7KW Onan generator in my RV wont start. Used it 10 days ago.
7KW Onan generator in my RV wont start. Used it 10 days ago. Now cranks but not even a sputter. RV full gas tank/ oil level good/ when I hold prime switch do not here fuel pump. … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
Fuel system, engine runs 10 to 30 seconds and shuts down.
fuel system, engine runs 10 to 30 seconds and shuts down … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
Curtis, ... I have a 4k Onan generator that wont start...
hello Curtis, my name is***** have a 4k Onan generator that wont start... There is only 50 hours on it and only 1 hour on new carbreureator … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
Have a Onan 4000 generator, 2007,..not a lot of hrs. had
Have a Onan 4000 generator, 2007,..not a lot of hrs. had tune up & replaced filters a couple years ago Was running great but had RV plugged in for a while and didn't start it for a long time (year?) m… read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
Generator is not starting. It turns over but wont start.
generator is not starting. It turns over but wont start … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
Onan 4000 cuts off, It has 140 hours and a new carburator
It has 140 hours and a new carburator installed 6 Months ago. 2003 class 3 RV with 24000 miles. … read more
Wayne
Wayne
Grand Pa
Vocational, Technical or Trade Scho
5,312 satisfied customers
Ive got an Onan 4000 in an RV that wont start, after all
I've got an Onan 4000 in an RV that won't start, after all batteries were dead and the RV had to be jump started. Blinking light code seems to be 3 blinks, pause, 2 blinks. I can't seem to find a list… read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
More issues with my Onan Microlite 4K (4KYFA26100B)Replaced
More issues with my Onan Microlite 4K (4KYFA26100B) Replaced the fuel pump about 2 weeks ago and thought problems were solved. However, now the generator does not run well under load. The engine seems… read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
I have a, Onan Genset 4000 in my Itasca. From time to time
I have a, Onan Genset 4000 in my Itasca. From time to time when I start the generator it will hunt the RPMs and eventually stop after a minute. I have monitored the throttle and it usually stops when … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
I have an Onan 7.5 Quiet Diesel generator in my 2005 Fleetwood
I have an Onan 7.5 Quiet Diesel generator in my 2005 Fleetwood Excursion motorhome. The generator has about 540 hours on it. I have maintained it per Onan guideline for the entire life. A month ago I … read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
I have a 96 bounder w/onan Marquis 7000 model #7NHMFA26106C.
I have a 96 bounder w/onan Marquis 7000 model #7NHMFA26106C. A month ago I started the generator and it ran very sluggish for about 5 min. and would not start again. I started my generator yesterday a… read more
Hank F.
Hank F.
Technician
High School or GED
17,869 satisfied customers
My onan 4000 in my RV is surging and then stalling. It has
My onan 4000 in my RV is surging and then stalling. It has done the surging for a few weeks, but then smoothed out after about 20 minutes. Now it is stalling.… read more
roger
roger
Small Engine Technician
Vocational, Technical or Trade Scho
390 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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