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Related Small Engine Questions
Put oil in 4000 stupid me was not level ran for 15 minutes
put oil in 4000 stupid me was not level ran for 15 minutes smoke everywhere. drained excess oil out still runs how long will it take to stop smoking what is best procedure … read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
My onan started blowing out white smoke out the exhaust, I
my onan started blowing out white smoke out the exhaust, I drained the gas from the tank and put fresh gas back in and most of the smoke went away but now I found oily film by the air cleaner and it h… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
I did a tune up on Onan microquiet 4000 new plug oil change
I did a tune up on Onan microquiet 4000 new plug oil change new carb n fuel pump replaced ! starts then dies code reading it's 3 blinks how to reset it so it will start … read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
I have an Onan 5500 generator in a toy hauler and it shuts
I have an Onan 5500 generator in a toy hauler and it shuts down after running only a few minutes with a code 58. Looking for answers as to cause. Gen was just serviced and has only about 16 hours on i… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
No spark on a 4000 onan gen. Ran good last fall but will not
checked fuse good seems to have fuel to carb just no spark to plug… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
I have a onan 5500 generator that is showing faulty code 29.
I have a onan 5500 generator that is showing faulty code 29. This happened yesterday when the generator was inadvertently left running for 13 hours straight! I took off the positive battery lead last … read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
I have an Onan 5500 Gas generator in my 2015 Thor 37TB. My
I have an Onan 5500 Gas generator in my 2015 Thor 37TB. My generator has approx 740 hours. I have changed the oil, oil filter and air filter every 150 hours. I changed the spark plugs at 600 hours. To… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
we have a new onan 5500 generator ,fresh fuel .and unit turns
we have a new onan 5500 generator ,fresh fuel .and unit turns over but will not prime ....or start .… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
my onan RV QG 4000 was blowing oil back through the air filter
my onan RV QG 4000 was blowing oil back through the air filter I had it worked on by an onan shop. Now the oil is blowing through the valve cover and misting to the exhaust. I have cut it off and am g… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
Hello, I am Kirk from Edgewood, New Mexico. I have a toy hauler
Hello, I am Kirk from Edgewood, New Mexico. I have a toy hauler travel trailer I recently purchased with an Onan MicroQuiet 4000, Model # XXXXX generator. It appears the generator's AC output is low b… read more
Christopher
Christopher
Senior Mechanic & Technician
Factory Training
2,435 satisfied customers
I have a ONAN GENERATOR 4000 MOTORHOME. Turned over very slow,
I have a ONAN GENERATOR 4000 MOTORHOME. Turned over very slow, new batter and cables new, GOOD GROUND. Battery not the issue. Starting system seem to get hot! Pulled apart and checked brushes, cleaned… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
Hi I have a onan 4000 generator that will start but will not
Hi I have a onan 4000 generator that will start but will not keep runing I think I am getting a loss of memory signal. What do I need to do to repair this problem ? thanks Harold Is there a problem it… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
my motor is seized. i believe it was run out of oil. how do
my motor is seized. i believe it was run out of oil. how do i unseize it or what are my options . I have an Onan 4000 microquiet generator… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
I have replaced my Onan Microlite 400 with a Onan Microquiet
I have replaced my Onan Microlite 400 with a Onan Microquiet 4000 Gen set. I got a good deal on a Microquiet designed for a trailer installation. I am installing it in my Class C Motorhome with a 1993… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
I have a generac generator on a horse trailer. It only has
I have a generac generator on a horse trailer. It only has 23 hours on it. found to intermittently shut down especially, during high ambient temps. Has run two times for 8 hourse at night during the e… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
Ihave a 10,000 onan gen set on my 2001 Beaver mtr home , my
Ihave a 10,000 onan gen set on my 2001 Beaver mtr home , my problem just started where water temperature indicate a fast temp rise to approx 230 deg.it then automaticaly shuts dowm, on board diagnosic… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
Hello, I just wanted to find out some info. from some experts
Hello, I just wanted to find out some info. from some experts concerning Onan generators. I recently purchased a Fuzion Toy hauler which came prepped for an onan 4000 generator. Found one with 400 hou… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
Hi I bought a 04 travel trailer that had a 4KYFA26100J gen.
Hi I bought a 04 travel trailer that had a 4KYFA26100J gen. But they took it out. Where is the best place to look for one and would you recomend that model?… read more
Hank F.
Hank F.
Technician
17,611 satisfied customers
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