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Related Small Engine Questions
My Onan RV generator will start and run for about 3-4
My Onan RV generator will start and run for about 3-4 minutes then die. At that time it is putting out a white colored smoke. I have replace the carb, fuel, filter control, board, and check the gas fo… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a two year old onan qg550 generator on a thor rv. The
I have a two year old onan qg550 generator on a thor rv. The generator stopped and would not restart. After a lot of testing it appears that the spark is very weak or non existent. Can you help? … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
My onan 4000 won't start. I put a new fuel pump and filter
My onan 4000 won't start. I put a new fuel pump and filter on it only to find that there was a crack in the fuel line coming from the gas tank. I replaced the fuel line and it started and ran fine. I … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
RV is currently parked on a pretty radical slant toward the
RV is currently parked on a pretty radical slant toward the generator end of the RV. Generator will start but quit running almost immediately. Could the problem be related to how the unit is parked? … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have an Onan 4000 microlite. I think i am getting gas in
I have an Onan 4000 microlite. I think i am getting gas in my oil … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a 2013 ONAN RV QG 4000 gen set and it starts then
I have a 2013 ONAN RV QG 4000 gen set and it starts then shuts down right away. It flashes a 14 on the code. Do you know what is causing the shut down? … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a onan 400. The generator was running just fine. it
i have a onan 400. The generator was running just fine. it died now it will not restart. I took the gas line off at the carburetor and hit the button to prime and good stream of gas came squirting out… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
Onan 4000 microquiet series..was running then just quit. oil
onan 4000 microquiet ky series..was running then just quit. oil level good, gas in rv is full, has spark, full pump is pumping gas when I disconneted the hose from the carb, pulled carb, and cleaned. … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,742 satisfied customers
ONAN 4000 WITH 313 HRS, RUNS MINUTES SHUTS DOWN WON'T
ONAN 4000 WITH 313 HRS, RUNS FOR 15 MINUTES SHUTS DOWN WON'T RESTART FOR AWHILE; FUEL TO CARB CHECKED GOOD FLOW, OIL LEVEL, AIR FILTER, & SPARK PLUG GOOD; ADDED FUEL STABLIZER TO GAS TANK WHICH IS HAL… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
Just purchased a 99 31 ft C Class generator is a onan 4000
just purchased a 99 31 ft C Class generator is a onan 4000 that when i ran for first time blew oil over the front of generator cabinet below air filter -- before running i hvd changed oil snd cleaned … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
Have a JD 317 with the Onan B43G eng that is blowing oil through
Have a JD 317 with the Onan B43G eng that is blowing oil through the breather tube into the carb filter and makes it smoke. If I hold my finger over the tube it will build some pressure after a while.… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,742 satisfied customers
My Onan 4000 generator on my motorhome runs perfect for about
My Onan 4000 generator on my motorhome runs perfect for about 30 min. to 1 hr. and then shuts down. After shutdown, found no gas in carb bowl and fuel pump won't run (prime) until the unit cools down … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a onan 4000 generator. Each time I start cold it it
I have a onan 4000 generator. Each time I start cold it it runs really rough with black smoke. All I do is screw the bottom screw out from the carb and let a little gas run out and it smooths out , I … read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have an older Onan Emerald plus 4000 1999 year model with
I have an older Onan Emerald plus 4000 1999 year model with 750 hrs on it, Just recently it started smoking from exhuast, (oil smoke). I changed the oil and can smell gas in the oil and it is filled w… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
We have a Onan MCCK 6.5 kw Gasoline GenSet in our 1983 Boat.
We have a Onan MCCK 6.5 kw Gasoline GenSet in our 1983 Boat. Total hours 218.3. We put new spark plugs, points and oil change about 9 years ago. And, replaced the "Exhaust Elbow" about 6 years ago. Th… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a Onan RV GENSET Microlite 4000 Model KY. It was new
I have a Onan RV GENSET Microlite 4000 Model KY. It was new in 1994 and has only 4.9 hrs. of run time. It starts ,revs up a couple of time then dies. I replaced the gas line and cleaned and re-gap the… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a onan 4000 genset in my 2008 toyhauler. it has about
I have a onan 4000 genset in my 2008 toyhauler. it has about 54 hours on it and i last changed the oil at 23 hrs. on july 5 i filled the tank with fresh gas at a flying J and put in 7 oz of STA-BIL. n… read more
Hank F.
Hank F.
Technician
High School or GED
17,232 satisfied customers
I have a Onan Micro Quiet 4000 2008 in a RV.... It was
I have a Onan Micro Quiet 4000 2008 in a RV.... It was running then just stopped and I cannot restart. The gas tank is full, there is a good spark to the plug, the oil is full (not overfilled) there i… read more
Delsley
Delsley
Handyman & JustAnswer Expert
IT Certificate
43 satisfied customers
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