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Related Small Engine Questions
We have a Lakota living quarter horse trailer with an onan
We have a Lakota living quarter horse trailer with an onan 4000 generator onboard. The generator does when I turn the ac on. Do you know what could be causing that? Everything else is working. … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I have a motorhome with a QG 4000 generator. It ran for
I have a motorhome with a QG 4000 generator. It ran for about 2 hours and then suddenly stopped. I could not get it to restart. I checked the oil an it was half full on the gauge, so I added oil. I st… read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
Onan 4000 in rv runs well on shore power, fails to start
onan 4000 in rv runs well on shore power, fails to start when on gas, turns over well but will not start … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
On an 4000 generator quit generating. Have changed out the
On an 4000 generator quit generating. Have changed out the circuit breaker, the shore cord is plugged in and the internal circuit breakers are set on. … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I need to know the codes of Onan 4000 generator malfunctions
Hi . I need to know the codes of Onan 4000 generator malfunctions and explain what to do. I am a resident of Saudi Arabia and I do not have the owner's manual. Thanks … read more
J LaGrutta
J LaGrutta
AA
408 satisfied customers
My onan generator will start and run but it will only run
my onan generator will start and run but it will only run for 5 seconds to maybe 30 seconds. i just changed the oil and air filter and the spark plug. the light on the start switch flashes 3 times and… read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
We have a new Jayco RV with an Onan 4000 generator. Ran
We have a new Jayco RV with an Onan 4000 generator. Ran beautiful first trip. Second trip, it cranks but will not continue running. Have primed and tried several times. Thoughts, please … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I have a class motorhome with an onan generator. Worked fine
I have a class B motorhome with an onan generator. Worked fine last year, but now won't start, It runs on propane. Cranks good - won't start. My local mechanic said he could get it to start by manuall… read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I have an onan 4000 and it starts right up and runs for
I have an onan 4000 and it starts right up and runs for about 1 second then shuts off. Will do this over and over. Sets code 32 but battery is new and never appears to be cranking slow at any time. Ha… read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
Onan 4000 gas generator. 10 yrs old New carb and new air
10 yrs old New carb and new air filter and oil change in Sept. Started and ran fine until yesterday. … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
Onan 4000 Microquiet fuel is flowing back throw the air
Onan 4000 Microquiet fuel is flowing back throw the air filter … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,978 satisfied customers
I have a 2007 Fleetwood motor home with a 4000 w on an gen.
I have a 2007 Fleetwood motor home with a 4000 w on an gen … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
My new Onan 4000 RV generator has less than 5 operating
My new Onan 4000 RV generator has less than 5 operating hours and quit today showing three flashes indicating service required. Is that normal? I'm traveling on vacation and can't seem to find a repai… read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I have an RV generator that is shot. Been repaired several
I have an RV generator that is shot. Been repaired several times. It's time to buy a new one. I just want to make sure that I get the right replacement generator. … read more
Wayne
Wayne
Grand Pa
Vocational, Technical or Trade Scho
4,960 satisfied customers
How much does this service cost? can u help with my onan
about a year . i just put on a new fuel filter an dont want to buy a carb if that is not the issue … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
My Onan 4000 generator starts, but dies after I release the
My Onan 4000 generator starts, but dies after I release the start button. Acts like it is fuel starved. Any easy fix? JDF… read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I have a Onan Microlite 4000 generator. The engine starts
I have a Onan Microlite 4000 generator. The engine starts hard and runs for about 10 minutes and sputters, slows down and may re catch and run or just quit. Eventually, it will stop after re catching … read more
Hank F.
Hank F.
Technician
High School or GED
17,654 satisfied customers
I have an Onan 4000 or 4500 in my RV. It has never given me
I have an Onan 4000 or 4500 in my RV. It has never given me problems. I just had the oil changed and new filters put in at AAMCO right afterwards it started leaking oil. I used it one day and it ran f… read more
ForrestGenerator SVC
ForrestGenerator SVC
Onan / Generac / Kohler Certificati
10 satisfied customers
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