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Hank...! ... I have a 1998 Onan Microlite 4000 Spec H that
Hi Hank...! I'm JIm... I have a 1998 Onan Microlite 4000 Spec H that may have an ignition issue. I just bought this motorhome adn am going thru everything. The genset runs 20-30 minutes okay, with Dom… read more
Hank F.
Hank F.
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Own in micro lite 4000 generator replaced. Fired it up would
Own in micro lite 4000 generator replaced carburetor. Fired it up would only run holding the start button on. Figured it was a switch malfunction. Went to take switch out no problem however now I have… read more
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2003 Onan 5.5 Gen surging and not wanting to stay running.
2003 Onan 5.5 Gen surging and not wanting to stay running. Generator has low hrs, 325. We've mainly used a small portable gen so this unit has sat for more than a year at a time without being used.It … read more
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I have an onan generator in my class c motorhome and I can
i have an onan generator in my class c motorhome and I can not find the liquid cleaner anywhere. I found the stabilizer at Amazon but they don't have the cleaner. can Seafoam be used? … read more
Randall
Randall
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My Rv's Onan Microlite 4000 has some trouble starting - just
My Rv's Onan Microlite 4000 has some trouble starting - just had starter replaced but it finally catches and starts to run but immediately starts into this up and down fluctuation of the RPMs each tim… read more
Hank F.
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I have a 2005 Sunnybrook 5th wheel with an Onan 5.5HGJAB-1038C.
I have a 2005 Sunnybrook 5th wheel with an Onan 5.5HGJAB-1038C. The unit only has about 80 hours on it. I think it sat with gas in the carb. before I bought the trailer 2 years ago. I have only tried … read more
Robert
Robert
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my onan 4000 micro bought it with 148 hrs on it i changed oil
my onan 4000 micro bought it with 148 hrs on it i changed oil , air filter , spark plug, and have cleaned the carb using B-12 chemtool (a carb cleaner recomended by several onan mecanics) on choke and… read more
Hank F.
Hank F.
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Onan 4000 microquiet 4kyfa26100k - SN c070032487. On a Used
Onan 4000 microquiet 4kyfa26100k - SN c070032487. On a Used 2007 21' Toy hauler trailer. Not sure on the generators Hr because meter is bad. I have owned the trailer since 2011 Was having a lot of sur… read more
Hank F.
Hank F.
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I have a onan micro quiet 4000 model 4ykfa26100k spec K that
I have a onan micro quiet 4000 model 4ykfa26100k spec K that wil nor run for more than 3 min under load, I have replaced the carb fuel pump and filter air filter and fresh gas and oil need help!!!!… read more
Hank F.
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Onan 4000 Microquiet. It runs great then just shuts down.
Onan 4000 Microquiet. It runs great then just shuts down. SOmetimes it may run for an hour other times it may run 10 min. Does not bog or stutter, just dies. Fuel filter maybe?… read more
Hank F.
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RV..The gen surges with no load and stalls..under load..carb
I have an Onan Genset in my RV model number 6.5NHEFA26100P. The gen surges with no load and stalls out when placed under load. I have been told I need to pull the carb and clean it. Does this sound li… read more
Hank F.
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I have an onan 4000 micro quiet gen..trailer..manually
I have an onan 4000 micro quiet gen. It was running perfectly. Left it sit for 2 months then moved trailer across country to find it would start and run only if manually primed. The electric fuel pump… read more
Hank F.
Hank F.
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A class c rv with an Onan Micro Quiet generater..blew..compressor
I have a class c rv with an Onan Micro Quiet generater 4000 series, model #4kyfa26100a. I am pretty sure I blew the voltage regulator, I started the generator and then turned the roof a/c unit on abou… read more
Hank F.
Hank F.
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rpm..stay running more than 4 seconds,has 3blinks in meter..spark plug
i have an 2008 ,onan 4000 micro quiet genset in my rv model#4kyfa26100k with 150 hours, it has been running erratic and surging rpm's espescially when the a/c is on.I started it last week in cold 40 t… read more
OnanMan
OnanMan
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Vocational, Technical or Trade Scho
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I own a 2007 jayco Octane Toy Hauler...few seconds and dies
I own a 2007 Jayco Octane Toy Hauler. It has a built in Onan generator that has worked like a champ every time I start it, but today it starts for a few seconds and dies. The fault light is blinking 3… read more
Hank F.
Hank F.
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I have a onan micro quiet 4000 with about 1100 hrs..restart
i have a onan micro quiet 4000 with about 1100 hrs. the problem i am having is that it will run sometimes for 30 to 45 min. then shut off, then restart, then will run 2 to 3 hrs. seems to run longer w… read more
OnanMan
OnanMan
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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
Jeff Myers
Jeff Myers
Owner/Service Manager
Undergraduate Studies - Incomplete
198 satisfied customers
trailer, but if i put a heavy load on it like the ac..heater..surge
I Have a 2005 onan microquiet 4000, let it sit way to long with out starting it, it will start and run most of the load for the trailer, but if i put a heavy load on it like the AC or the water heater… read more
OnanMan
OnanMan
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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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