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I have an onan 7500 quiet diesel generator that cranks but
I have an onan 7500 quiet diesel generator that cranks but wont start. Mod: 7.5HDKAJ11451F S/N: K990 017304I've tested the following: all three of the fuses are good and show voltage replaced the fuel… read more
Hank F.
Hank F.
RV tech - emphasis on gensets
High School or GED
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Onan 10k diesel code 36, 07 partial service this week, HDKCA
its an onan generator. I've done a bunch of work. are you an expert on onan diesels? … read more
Hank F.
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RV tech - emphasis on gensets
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I have a onan quiet diesel 10,000 geneator in my motorhome,
I have a onan quiet diesel 10,000 geneator in my motorhome, it had a fuel leak on the 3/8" rubber hose that goes from the fuel line to the top of the engine and appears to be going into the top where … read more
Hank F.
Hank F.
RV tech - emphasis on gensets
High School or GED
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My onan 4000 generator runs fine after priming but shuts
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Randall
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I have a new Onan RV QG 4000 EVAPModel number 4KYFA-6747P.
I have a new Onan RV QG 4000 EVAP Model number 4KYFA-6747P. The generator is shutting down periodically like so many others that I have read. It only has 15 hours on it. I keep reading about bad fuel … read more
Hank F.
Hank F.
RV tech - emphasis on gensets
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I have a coachman 31' motorhome 2000 with an Onan 4 Kva
I have a coachman 31' motorhome 2000 with an Onan 4 Kva (Marquis? or whisper quiet? Sorry I am not sure) but Onan service tells me I need a carb. I am mechanic type... think I can change it myself? Co… read more
Robert
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I have an Onan 12500 quiet diesel generator in my RV. It smokes
I have an Onan 12500 quiet diesel generator in my RV. It smokes really bad when it first starts. I have replaced the glow plugs and injectors. I plan to replace the timer for the glow plugs. does that… read more
Hank F.
Hank F.
RV tech - emphasis on gensets
High School or GED
16,121 satisfied customers
Onan quiet 7500 diesel. Started up fine. Ran for about 45
Onan quiet 7500 diesel. Started up fine. Ran for about 45 seconds and quit. Cannot get an error code. Just cranks over and doesn't fire up. Can hear it priming. Checked oil and coolant levels. All are… read more
Hank F.
Hank F.
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start my..I replaced the fuel tank in my 5th wheel trailer..Priming
I am unable to start my Onan generator (model 5.5 HGJAB-1038D). I replaced the fuel tank in my 5th wheel trailer (ECI Fuel Systems) with a new 40 gal tank. Priming the generator does not seem to draw … read more
Hank F.
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I have an Onan generator, Model No. 4KY FA26100J. It started
I have an Onan generator, Model No. 4KY FA26100J. It started fine a month ago when I ran it for 1/2 hour. Since then we drove the RV, and parked it with the gas tank below 1/4. I tried today to start … read more
OnanMan
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motor home with a 4.5 k onan genset..It runs fine..air filter
I have an 2008 Allegro Motorhome with a 4.5 k onan genset. It runs fine but has recently started taking much longer to start when warm or cold. I took the cover off and the air filter and located the … read more
OnanMan
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surging a little..spark plugs, air filter, gas filter, oil filter
Our Itasca Suncruiser has a 6500 Onan Generator with 512 hours on it. Last summer we noticed that it was surging a little and also the cycles were low. After changing spark plugs, air filter, gas filt… read more
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Runs fine..dies..carb, fuel pump, fuel filter..air filter
2005 Onan Model No: 7HGJAE-2132C Spec: C S/N: H050824756 Generator runs fine sometimes then just up and dies others No real pattern to it, sometimes runs fine in 90 degree weather and will die in 80 d… read more
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onan 7500 diesel generator located in rvran fine about 6 weeks
onan 7500 diesel generator located in rv ran fine about 6 weeks ago, have not started since. today will turn over easily but will not start. does not even cough. oil, coolant levels ok. new diesel in … read more
OnanMan
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Dies..the oil level, fuel filter is not blocked, air filter is ok
I have a Onan Quiet Diesel 7500 generator. When I try to fire it it runs eratically for a few seconds and then dies. I checked the oil level, fuel filter is not blocked, air filter is ok.. Is there so… read more
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1996 motor home w/300hp cummins..manually..checked the fuel tank
I have a 1996 motor home w/300hp cummins that turns over ,won't start.I just bought it,pulled in my drive which is a pretty good grade downhill.Shut it off.A few days later went to move it,it started … read more
Joe
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I have an ONAN 4000 micro quiet RV generator. The problem is
I have an ONAN 4000 micro quiet RV generator. The problem is when I use it at high altitudes usually above 5000 feet the t.v. starts to flicker and sometimes shut off and come back on when I'm at sea … read more
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Jeff Myers
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onan microquiet 4000..20 to 30 minutes and shuts down..tank..changing
I have a onan microquiet 4000 and it starts and runs for 20 to 30 minutes and shuts down. Have check the oil and gas in tank and ok. It happen after changing oil. Whats happening with it?… read more
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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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